选出各句的应答语。

⑴What colour is the cat?                                                 A. Twenty-two.

⑵What are you doing?                                                    B. It's black.

⑶What day is it today?                                                    C. I looked it up on the Internet.

⑷How many desks are there in your classroom?            D. It's Tuesday.

⑸How do you know that?                                                E. I'm having breakfast.