Vitamins are stored in foods we eat. The kids are udner great need of vitamins for growth. As they use their energy in playing, they need lots of vitamins. Children usually choose certain foods above the others and often do not eat those with important nutrients . Sothough the food they are eating is nutritious, it may not always provide all the nutrients the child needs. One nutrient can not balance the shortage  of another. Foods like grains, vegetables, fruits and meats should be eaten daily, because different foods in the child's diet can balance against taking too much or too little of any nutrient. Kids grow slower in their childhood than when they were babies or when they develop into adults. Energy output is high, with hard paly perids that include plenty of running, jumping, and testing of new physical skills. So they need a lot of vitamins. Here are some important vitamins and their functions Vitamin D in milk helps your bones. Vitamin A in carrots helps you see at night. Vitamin C in oranges helps your body heal if you get a cut. B vitamins in leafy vegetables helps your body make protein . The children, who are suffering from a sickness called cystic fibrosis, lose vitamin A, D and E. These are main body-building vitamins. Therefore, vitamin supplements  may be necessary. Blood tests will telll you whether a child needs vitamin supplements. If babies over nine months of age are receiving whole cow's milk, they'll need a daily vitamin C supplement till their diet provide enough vitamin C. Vitamin D is added to all milks so babies drinking them need no extra vitamin D. Children are greatly in need of vitamin C. If you are 18 years of age or younger, you should get 115 millgrams of vitamin C per day. Those over 19 should get 120 milligrams per day. We can learn from the passage that   _  .
it is necessary for kids to eat different foods for all nutrients it is necessary for one to exercise if he needs more vitamins is it unnecesssay for babies to take a vitamin D supplement it is unnecessary for elderly people to take in any vitamins.
Question: Vitamins are stored in foods we eat. The kids are udner great need of vitamins for growth. As they use their energy in playing, they need lots of vitamins. Children usually choose certain foods above the others and often do not eat those with important nutrients . Sothough the food they are eating is nutritious, it may not always provide all the nutrients the child needs. One nutrient can not balance the shortage  of another. Foods like grains, vegetables, fruits and meats should be eaten daily, because different foods in the child's diet can balance against taking too much or too little of any nutrient. Kids grow slower in their childhood than when they were babies or when they develop into adults. Energy output is high, with hard paly perids that include plenty of running, jumping, and testing of new physical skills. So they need a lot of vitamins. Here are some important vitamins and their functions Vitamin D in milk helps your bones. Vitamin A in carrots helps you see at night. Vitamin C in oranges helps your body heal if you get a cut. B vitamins in leafy vegetables helps your body make protein . The children, who are suffering from a sickness called cystic fibrosis, lose vitamin A, D and E. These are main body-building vitamins. Therefore, vitamin supplements  may be necessary. Blood tests will telll you whether a child needs vitamin supplements. If babies over nine months of age are receiving whole cow's milk, they'll need a daily vitamin C supplement till their diet provide enough vitamin C. Vitamin D is added to all milks so babies drinking them need no extra vitamin D. Children are greatly in need of vitamin C. If you are 18 years of age or younger, you should get 115 millgrams of vitamin C per day. Those over 19 should get 120 milligrams per day. We can learn from the passage that   _  .
A. it is necessary for kids to eat different foods for all nutrients
B. it is necessary for one to exercise if he needs more vitamins
C. is it unnecesssay for babies to take a vitamin D supplement
D. it is unnecessary for elderly people to take in any vitamins.
Answer: