选出合适的句子补全对话。

A. Look at my crayon. B. Good morning. C. I am fine, thanks. D. Let's paint. E. Me too.

A: Hello, Mary. Good morning.

B: Mike. How are you?

A: I have a red crayon.

B:

A: Show me your crayon.

B: OK.

A: It's nice(很好).

B: Great.