专四

单选题 So confused that he didn't know how to start his lecture.

A.since he became
B.would he become
C.that he became
D.did he become

参考答案:D进入在线模考
D。他如此困惑,以至于不知如何开始自己的讲座。
考查状语从句用于倒装结构。so…that引导结果状语从句,s0如果置于句首,则主句中的主谓语需要倒装,that从句不用倒装,故选择D。

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