Question

(2012·陕西)—The trip shouldn't take more than an hour.
—________.It is at least two hours.

A．I guess so	B．That's it
C．You must be joking	D．It depends

Answer 1

C

句意：——这次旅行不应该超过一个小时。——开玩笑，至少需要两个小时。You must be joking.“你一定是在开玩笑”，符合语境。I guess so.“我想是吧”；That's it.“就是这样”；It depends.“看情况而定”。