选择合适的一项补全对话

A. How old are you? B. What's your name? C. I'm going to visit Beijing. D. I'm from Hainan.

Amy: Hello!

Liu Zheng: My name is Liu Zheng.

Amy:

Liu Zheng: I'm eleven.

Amy: Where are you from?

Liu Zheng:

Amy: Where are you going to visit?

Liu Zheng: