Computers are used _scientists__ working out differe

Computers are used _____scientists______ working out different problems.
A.as:by B.to:for C.by:for D.for:to （这道题选什么?为什么?）

5888181 1年前已收到4个回答举报

清飞点点幼苗

共回答了12个问题采纳率：91.7% 举报

选C be used by sb 被某人使用 be used to do sth/be used for doing sth 用来做某事

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持谦齿发高幼苗

共回答了9个问题举报

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kanavit 幼苗

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C
be used by 被动，被谁使用
for 表示目的

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京城第四少幼苗

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选C。by后面接人，for后面可接动名词

1年前

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