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问题: 非谓语动词

( ),he drew a conclusion.

A.The experiment having done
B.The experiment making
C.The experiment having been done
D.The experiment made

解答:

do/make the experiment做实验
此题的答案是D
这是一个独立主格的用法:独立主格的小主语+doing/done, +主句
由于实验是被做的,因此用过去分词。