private cars are bringing us convenience, they also cause more traffic accidents and poll

发布时间：2020-08-17 12:58:59

     private cars are bringing us convenience, they also cause more traffic accidents and pollution.
A. While
B. As
C. If
D. Since

网友回答

(答案→)A. While
B. As
C. If
D. Since
解析：此题用意是考查连词的用法。两分句之间存在转折关系，而此处while 相当于although，意为”虽然”。
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