听句子,选出相应的答语 ( )1. A.Good morning. ( )2. A.How are you? ( )3. A.He is my brother. ( )4. A.He is over there. ( )5. A.Yes, I am. B. Good afternoon. B. How do you do? B. She is my sister. B. He is a student. B. We are friends. C. Good evening. C. Fine, thank you. C. She is a student. C. He is fine. C. No, we aren't.