为下列问句选出适当的答语。

⑴What colour is your cap?           A. No, I'm not.

⑵How do you do?                 B. It's short.

⑶Where's the fox?                  C. It's white.

⑷Are you Mr Li?                   D. How do you do?

⑸Is it short or long?                 E. It's in the box.