根据对话内容，从方框中选择恰当的选项补全对话，其中有两项多余。

A: Hi, Li Hua. What are you going to do next month?

B: Hi, Judy. You know, I'm a member of the Birdwatching Club in our school.

A: Zhalong?

B: It is a reserve (自然保护区) in Heilongjiang in north-east China. It's one of the world's most important wetlands (湿地).

A: Oh, I see.

B: Yes. And they live comfortably there.

A:

B: We'll do a bird count (数数) to see if there are any changes in their numbers. And we'll do something to help the birds. Oh, we need more people to help us.

A: Yes, I'd love to. That sounds very interesting!

A. What's it? B. What will you do there? C. Would you like to join us? D. I'm going to Zhalong to watch birds. E. Are there lots of different kinds of fish or birds in it?  F. I like birds. G. They are endangered.