which I think is 是什么用法

He made another wonderful discovery, ___A___ of great importance to science.

A. which I think is B. which I think it is

C. which I think it D. I think which is

这里是带有插入语的定语从句。

I think是插入语，去掉插入语句子结构也不受影响。

which引导非限制性定语从句修饰主句内容。

再举个例子：

She could go to jail, which I guess is also my fault.

她可能会坐牢，这大概也怪我。

这里的I guess就是一个插入语，which引导非限制性定语从句。

le1226 -

采纳率 61% | 回答于 2022-10-25 22:21

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