Ads are designed to have an effect while ______ at belittled and all but ignored.A.being

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Ads are designed to have an effect while ______ at, belittled, and all but ignored.

A.being laughed

B.to laugh

C.laughing

D.been laughed

请帮忙给出正确答案和分析,谢谢!

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答案解析

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  • 正确答案:A
    省略用法题。在while引导的让步状语从句中,如果从句谓语动词为be的形式,这时从句中主语和be动词可省略。本题whilebeinglaughed=whiletheywerebeinglaughed,使用了被动语态的进行时形式,符合题意,故A正确。