单选题It was in 2005 _____ we began to introduce this new technique into our company.AwhichBthenCwhenDthat

单选题
It was in 2005 _____ we began to introduce this new technique into our company.
A

which

B

then

C

when

D

that


参考解析

解析:
句意:正是在2005年,我们开始向我们公司引进这项新技术。此题考查强调句型。It+be+强调部分+that (who)+主谓句。强调句的连词只有两个,that和who。当强调的部分是人,且为句子的主语时,才用“who”,其余用that。

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