读一读，从方框中选择恰当的句子补全对话。

A. My name is Lucy. B. Nice to meet you, too! C. Good afternoon! D. What's that? E. It's a dog.

: Good afternoon!

: ! What's your name?

: . Nice to meet you.

: !

: Wow! What's this?

:

: It's so funny. ?

: It's a tiger.

: Cool!