The national schools' first aid competition is an interesting way for young people to practice their first aid skills in a safe environment. A school may have three teams. The deadline for this competition has now been continued to April 21, 2012. All teams will compete at an elimination   round, with the winners going forward to the National Final for the chance to become the winner. A team has three formal members, and a reserve is also needed. All team members, together with the reserve, will take part. There are two age sections: Junior: 7 to11 Senior: 12 to 16 This competition is based on the Young First Aid Course from St. John Ambulance Training Officer. Support will be given to make sure everyone has equal chances to win. The winners of this competition will be invited to take part in the Young Grand Prior Competition. This competition improves the practical first aid skills of young people and tests their knowledge and skills with a series of realistic accidents and injuries. Youth teams are aged between 12 and 16 years old and should have three members. Young adults are aged between 17 and 21 and should have two members. All teams may bring a reserve. The Young Grand Prior Competition will be held at the Spa Complex, Scarborough, on November 28, 2012. Those who want to take part in the national schools' first aid competition will have to complete our application form. The passage is written mainly for   _  .
those who want to practice their first aid skills the young school students in the country the middle school teachers in the country the young people throughout the country
Question: The national schools' first aid competition is an interesting way for young people to practice their first aid skills in a safe environment. A school may have three teams. The deadline for this competition has now been continued to April 21, 2012. All teams will compete at an elimination   round, with the winners going forward to the National Final for the chance to become the winner. A team has three formal members, and a reserve is also needed. All team members, together with the reserve, will take part. There are two age sections: Junior: 7 to11 Senior: 12 to 16 This competition is based on the Young First Aid Course from St. John Ambulance Training Officer. Support will be given to make sure everyone has equal chances to win. The winners of this competition will be invited to take part in the Young Grand Prior Competition. This competition improves the practical first aid skills of young people and tests their knowledge and skills with a series of realistic accidents and injuries. Youth teams are aged between 12 and 16 years old and should have three members. Young adults are aged between 17 and 21 and should have two members. All teams may bring a reserve. The Young Grand Prior Competition will be held at the Spa Complex, Scarborough, on November 28, 2012. Those who want to take part in the national schools' first aid competition will have to complete our application form. The passage is written mainly for   _  .
A. those who want to practice their first aid skills
B. the young school students in the country
C. the middle school teachers in the country
D. the young people throughout the country
Answer: