—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
网友回答
A. I guess so
B. That’s it
(答案→)C. You must be joking
D. It depends
解析：句意：这个旅途不会花费超过一个小时。你一定在开玩笑吧。至少得要两个小时。从四个选项看，A.我想是吧 B.就是它C.你肯定在开玩笑吧D.那要看.可知，C答案符合题意