给下列问句选择正确的答语。

⑴What colour is your eraser?   A. It's on the desk.

⑵How many friends do you have?   B. His name is Mike.

⑶What's in your desk?   C. I have three friends.

⑷What's his name?   D. A pen and some books.

⑸Where is my picture?   E. It's green.