Joe Bloggs always had a cigarette on his lips. He smoked while he read, while he watched TV, and while he drank a cup of coffee. He smoked forty cigarettes a day, but he was happy. Joe's friend, Fred Brown, said to him, "It is very bad to smoke". When Joe heard this , he started to worry and became so thin that he went to Fred for help. Fred said , "You must eat more". O Joe did not smoke , but he ate chocolate , and he became very fat. Again he went to Fred for help. Fred said , " You must not eat chocolate". So Joe stopped eating chocolate , but he went back to smoking cigarettes. He became thin again but he was not happy, because he still smoked. Sometimes Joe Bloggs wished Fred Brown was not his friend! When Joe became thin the first time it was because  _  .
he smoked too much he worried too much he stopped smoking he ate too little
Question: Joe Bloggs always had a cigarette on his lips. He smoked while he read, while he watched TV, and while he drank a cup of coffee. He smoked forty cigarettes a day, but he was happy. Joe's friend, Fred Brown, said to him, "It is very bad to smoke". When Joe heard this , he started to worry and became so thin that he went to Fred for help. Fred said , "You must eat more". O Joe did not smoke , but he ate chocolate , and he became very fat. Again he went to Fred for help. Fred said , " You must not eat chocolate". So Joe stopped eating chocolate , but he went back to smoking cigarettes. He became thin again but he was not happy, because he still smoked. Sometimes Joe Bloggs wished Fred Brown was not his friend! When Joe became thin the first time it was because  _  .
A. he smoked too much
B. he worried too much
C. he stopped smoking
D. he ate too little
Answer: