一道英语选择题—————,they drew a conclusion.

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/07 04:58:12

一道英语选择题—————,they drew a conclusion.
A.The experiment making
B.The experiment did
C.The experiment having been done
D.The experiment made我认为答案C或D都对,但所给的参考答案是C.请专家们给与解释!

理论上确实CD都可以选但做实验多用 do an experiment 所以 D不够地道
C考察的是带主语的-ed分词分句
-ed做谓语的动词分句结构一共有三种
1.分句有主语和从属连词
2.分词从有属连词
3.分句有主语
eg：the job finished,we went home straight away.
这里的-ed可视作省略了 being 或 having been
eg:my work(my work having been) done,i went to bed
这就是所谓的“独立结构”
（出自《新编英语语法教程》高等英语本科生教材）

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