读问句，选答语

⑴What are these?                         A. He is Ken.

⑵Who is that boy?                        B. They are trees.

⑶Where is Liu Peng from?                 C. I was in Changsha.

⑷Are you ready, John?                     D. Yes, I am.

⑸Where were you this holiday?             E. He's from Shanghai.