选择合适的句子完成对话。

A. Great! B. What's that? C. How are you? D. it's a panda.

A: Hi, Chen Jie.

B: I'm fine, thank you.

A: Let's go to the zoo.

B:

A: What's this?

B: Oh,

A: Cool! I like it.

B.

A: It's a bird.