单选题You are really incompetent! It ______ hours ago.Afinished Bshould be finishedCmust be finished Dshould have been finished

单选题
You are really incompetent! It ______ hours ago.
A

finished  

B

should be finished

C

must be finished  

D

should have been finished


参考解析

解析:
你真是不称职。这项工作应该在几小时以前就完成了。这里采用与过去相反的虚拟语气,即should have done的形式,故D项正确。

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