题目内容
More than one proof ________, showing that it was he who murdered his wife.
A.have been found out
B.has been found out
C.has found out
D.have found out
答案:B解析:由every, each, many a/an, more than one 等+名词作主语时,句子谓语动词用单数形式;find与 proof之间是动宾关系,故答案为B。

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