题目内容
—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.
—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
C
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