A、  B、  C、  B题目为询问选择哪种旅行日程的Which疑问句。一定要注意听Which itinerary。

Our clients have already been to the factory, haven’t they?
(A) No, I don’t believe so.
(B) Production started last week.
(C) In just a few minutes.

Which itinerary are you choosing for you trip?
(A) In three months.
(B) I’m still thinking about it.
(C) That’s a good choice.