题目内容
The problem of air pollution is becoming more serious ______ the increasing number of cars.
| A.as for | B.because | C.as a result | D.as a result of |
D
本题的含义为由于车子数量急剧增加的结果,空气污染的问题变得更加严重,as a result of 表示由于……的结果的含义,故本题选D。
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