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IfmylawyerherelastFriday,hemefromtellingthetruth.A.hadbeen;wouldhavepreventedB.hadbeen;wouldpreventC.were;wouldpreventD.were;wouldhaveprevented

题目详情
If my lawyer ______ here last Friday, he _____ me from telling the truth.
A.had been; would have prevented B.had been; would prevent
C.were; would prevent D.were; would have prevented
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答案和解析
A

考查虚拟语气。根据时间状语last Friday,说明指的是过去的情况,所以if引导的从句要用过去完成时,而主句要用助动词+现在完成时。所以选A。