He ________ your car by mistake because he didn't have the keys.

A．mustn't have taken B．shouldn't have taken

C．couldn't have taken D．needn't have taken

 

【解析】從語(yǔ)意“他不可能誤開了你的車，因?yàn)樗麤]有鑰匙”可知，此處應(yīng)選擇couldn't have taken。

 

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