A、  B、  C、  C问题以疑问词who来询问谁会参加晚上的聚会，(C)回答说“我们都去”，是正确答案。

How was the conference?
(A) Not at all, it’s a pleasure.
(B) Very interesting. You should’ve come.
(C) I can hear you, go ahead.

Who is going to the party tonight?
(A) At ten o’clock, I was told.
(B) It’s at the new restaurant.
(C) Well, we all are.