The theory he had stuck________to be true.A、provedB、to provingC、to proveD、to

游客2024-01-14  19

问题 The theory he had stuck________to be true.

选项 A、proved
B、to proving
C、to prove
D、to proved

答案 D

解析 句意:他坚持的理论被证明是正确的。“He had stuck to”是省略了关系代词的定语从句,修饰theory,stick to (坚持) 为固定搭配;去掉这个定语从句后,句子缺少谓语动词,定语从句时态为过去完成时,所以主句谓语动词应用过去式,故选D。
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