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[单选题]
______ some of the tasks done by man before, computers are sometimes called thinking machines.(1分)
A
To have taken over
B
Taking over
C
To take over
D
To be taken over
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参考答案
试题答案：
B
答案解释：
解题思路： 6.本题考查非谓语动词的用法。根据题意“计算机接替了某些从前由人来完成的任务，所以有时被称为会思维的机器”。分词作原因状语时多位于句首，表示强调；而不定式作原因状语时多位于句末，表示加以补充说明。本题中强调的部分是电脑的功能，故正确答案为B）选项。
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