题目内容

All the preparations for the task ________， and we're ready to start.

A．completed B．have completed

C．will be completed D．have been completed

 

D

【解析】D 考察动词时态。句意：这项任务的所有准备工作都已经完成，我们准备开始了。意为准备工作是否完成影响到我们现在是否能够开始，所以此处表示过去已经发生的动作对现在产生的影响，使用现在完成时。而准备工作和完成构成被动关系，所以使用完成时的被动语态。故D正确。

 

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