—I didn’t see her yesterday.
—Of course, you , because she had gone to a trip.
A. can’t
B. may not have
C. can’t have
D. mustn’t have
网友回答
A. can’t
B. may not have
(答案→)C. can’t have
D. mustn’t have
解析：从下文he had gone to a trip，可以断定你不可能见到他，用can’t，判断时态是指过去，用can’t have (seen)。