听句子，选出句子中所包含的信息。 (     )1. A. doctor (     )2. A. be good for (     )3. A. send for B. daughter B. be bad for B. look for C. dollar C. ask for C. look after (     )4. A. Mike bought his friend a football. B. Mike sold a football to his friend. C. Mike's friend bought a football for him. (     )5. A. Mozart started writing music at the age of four. B. Mozart started writing music when he was fourteen years old. C. Mozart started writing music before he was four years old.