题目内容

_____ computers are convenient to us in daily life, it may also cause other problems.
A．WhetherB．BecauseC．AsD．While
D
考察连词用法,四个选项分别表示是否不论、因为、由于和虽然然而，根据题意选D，虽然电脑在日常事务中对我们来说很方便，但是它也会引起其他问题。
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