The young scientist made another wonderful discovery,______of great importance to study SARSA.which i think is B.which i think it isC.i think which is D.i think is which

The young scientist made another wonderful discovery,______of great importance to study SARSA.which i think is B.which i think it isC.i think which is D.i think is which
The young scientist made another wonderful discovery,______of great importance to study SARS
A.which i think is
B.which i think it is
C.i think which is
D.i think is which

The young scientist made another wonderful discovery,______of great importance to study SARSA.which i think is B.which i think it isC.i think which is D.i think is which
答案A
此题考查的是关系代词的用法．首先认清这是个非限制性定语从句,其次分析I think作插入语,因为of great importance to science前面缺少谓语动词,所以应选A．此题意思是“他又作出了惊人的发现,我认为他的发现对科学极为重要
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A.which i think is

A这是个非限制性定语从句，望采纳