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

问题补充：

(·陕西)—The trip shouldn take more than an hour.

—.It is at least two hours.

A. I guess so

B. Thats it

C. You must be joking

D. It depends

答案：

A. I guess so

B. Thats it

(答案→)C. You must be joking

D. It depends

解析：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”；Thats it.“就是这样”；It depends.“看情况而定”。