问题
选择题
—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
答案
答案：C
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)。
