Tile student said there were a few points in the essay he ______ impossible to c

游客2023-11-21  14

问题 Tile student said there were a few points in the essay he ______ impossible to comprehend.

选项 A、has found
B、was finding
C、had found
D、would find

答案 C

解析 本句主句是过去式,而从句的动作发生在主句动作之前,所以从句用过去完成式,即had found。
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