He has made another wonderful discovery, ______of great importance to science.A、

游客2025-03-05 20

问题 He has made another wonderful discovery, ______of great importance to science.

选项 A、which I think it is
B、of which I think is
C、I think which is
D、which I think is

答案 D

解析本题考查非限制性定语从句的用法，先行词是another wonderful discovery，关系代词在从句中充当宾语，所以用which。

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