从方框中选择最佳选项完成对话，其中有两项是多余的。

A: Where have you been, Fang Li? I called you, but you weren't in your office.

B:

A: What did you do there?

B: I found out that the factory was pouring waste water into the river near it.Lots of fish have died.

A:

B: Do you think Greener China can do something?

A:We can write a report about it to the TV station and the newspaper.

B:Businessmen are afraid of newspapers and TV stations.

A. I've gone to a paper factory. B. You're welcome. C. That's terrible! D. Yes, of course. E. Good idea! F. The river has become very dirty. G. I've been to a paper factory.