There must have been someone who had informed the owner of the bathing center of the sudde

外语类 专四 已帮助 人

There must have been someone who had informed the owner of the bathing center of the sudden crack-down or he______able to escape the sweep.

A.wouldn"t be

B.wouldn"t have been

C.might have been

D.needn"t have been

请帮忙给出正确答案和分析,谢谢!

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