选择合适的选项补全对话。

A. Can I read it?

B. What are you doing?

C. what's your name?

A: Hello! I'm Peter.

B: Talk quietly. My name is John.

A:                                  

B: I'm reading a book                       

A: What is it about?                         

B: It's about animals.                      

A:

B: Sure.