给下列的问句选择合适的答语。 ( ) 1. What are you doing? ( ) 2. What is he doing? ( ) 3. Where is he going? ( ) 4. What is Amy doing? ( ) 5. Are they dancing? A. He is drawing pictures. B. No, they aren't. C. I am cooking dinner. D. She is reading a book. E. He is going to the shop.