单选题I soon found that th

问题补充：

单选题IsoonfoundthattheworkIwasdoinghadalreadybeendonebysomeoneelse._______,Iwaswastingmytime.A.In other wordsB.In a wordC.As a resultD.In addition

答案：

A解析考察词组，in other words 换句话说 in a word总之 as a result结果 in addition除此之外 句意为，我很快发现我在做的工作已经被某个人做过了。换句话说，我在浪费时间