给下列句子选择正确答语。
A. No, they aren’t.
B. He is reading.
C. I’m watching TV.
D. Yes, she is.
E. I have a bad cold.
【小题1】What is the boy doing? (______)
【小题2】What’s wrong with you? (______)
【小题3】Are they walking? (______)
【小题4】What are you doing? (______)
【小题5】Is she doing the high jump? (______)