He has made another wonderful discovery，

恬恬2019-12-17 31

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

选项 A.which I think isB.which I think it isC.I think which isD.ofwhich I think it iS

答案A

解析which I think is是which引导的一个非限定性定语从句，此处修饰discovery。故选A。此句意为他已经创造了另外一个伟大的发现，我认为对科学是至关重要的。

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Hehasmadeanotherwonderfuldiscovery，