【題目】I soon found that the work I was doing had already been done by someone else —__________ I was wasting time.

A. as a result B. in the meantime

C. in other words D. for one thing

【答案】C

【解析】A項表示作為結(jié)果;B項表示與此同時;C項是換句話說,符合題意;D項是首先.根據(jù)句意:不久我就發(fā)現(xiàn)我正在做的工作已經(jīng)被別人做完了,換句話說,我在浪費時間.

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