He made another wonderful discovery, _____ of great importance to science. [ ]A. which I think it B.

题目简介

He made another wonderful discovery, _____ of great importance to science. [ ]A. which I think it B.

题目详情

He made another wonderful discovery, _____ of great importance to science.
[     ]
A. which I think it
B. which I think it is
C. which I think is
D. I think which is
题型:单选题难度:中档来源:同步题

答案

C

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