A、  B、  C、  A此题是有关旅游商品的问题。选项(A)中询问价格的疑问句是可以自然顺承连接的。因为问题不是一般疑问句，所以不能用Yes／No来回答，排除选项(B)。而选项(C)是用来回答有关时间问题的问句的。

Do you think you could plug in the projector for me?
(A)Sure, Where’s an outlet?
(B)You can turn it off now.
(C)I’ll finish the project by six.

Excite Travel is offering a four-day cruise to Puerto Rico and the Virgin Islands.
(A)How much is it?
(B)No, I haven’t.
(C)It’s on Thursday.