He commanded that all the gates A. should shutB. would be shutC. shutD. be shut

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A. should shut
B. would be shut
C. shut
(答案→)D. be shut
解析：考查虚拟语气：句意：他命令所有的门要关起来。Command“命令”，接宾语从句的时候，从句的谓语用should do，should可以省略，表示虚拟语气，以前gates和shut是被动关系，选D。