问题
I don’t know why Denise started crying when I mentioned the wedding.—It ______ what you said about her brother. Or, perhaps she is just nervous. [ ]
A: should have been
B: couldn't have been
C: could have been
D: must have been
B: couldn't have been
C: could have been
D: must have been
正确答案是：
同类题型
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