谁能帮我分析解答这道英语题啊?

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/09/01 08:17:55

谁能帮我分析解答这道英语题啊?
The astronaut did many experiments in the spaceship, __________ much help for knowing space.
A. which we think it is B. which we think are of
C. of which we think is D. I think which is of

B
由which引导定语从句,修饰experiments.从句部分还原后是“we think the experiments are of much help ...”即“我们认为这些实验很有助于……”.
A项,由于有了引导词which,所以不能再有it.which在从句中的角色就像那个it一样.
C项,从句还原后是“we think of the experiments is much help ...”,显然文法不通.
D项,定语从句的语序应该是引导词或“介词+引导词”在最前面,不是从句主语在最前面.

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