[求助]OG182题

小弟是新人，OG才过第一遍（语法部分），这道题实在是搞不清楚，所以拿到CD上来请教（不要笑我哈）

这是OG上的182题

Consumers may not think of household cleaning products to be hazardous substances, but many of them can be harmful to health, especially if they are used improperly.

(A)  Consumers may not think of household cleaning products to be

(B)   Consumers may not think of household cleaning products being

(C)  A consumer may not think of their household cleaning products being

(D)  A consumer may not think of household cleaning products as

(E)   Household cleaning products may not be thought of, by consumers, as

D不会产生指代不清，因为用的是 a consumer 单数，所以they不会指代consumer.

同意楼上说法,平行不能凌驾于歧义之上.

没有什么一定的规则,在gmat中,切记!

Consumers may not think of household cleaning products to be hazardous substances, but many of them can be harmful to health, especially if they are used improperly.

(A)  Consumers may not think of household cleaning products to be

(B)   Consumers may not think of household cleaning products being

(C)  A consumer may not think of their household cleaning products being

(D)  A consumer may not think of household cleaning products as

(E)   Household cleaning products may not be thought of, by consumers, as

可是如果将(D)  改为 consumers may not think of household cleaning products as句子还是正确地么？是否有them指代consumers 的歧异，尽管nonunderline 部分有they指代cleaning products！

另外，如果没有单复数和指代歧异的前提下，主语为Consumers 或A consumer是不是都可以？

D的优势就是可以避免指代的歧义, 后面的If they, they优先指代主句主语, 如果是consumer的话会产生潜在的歧义, 所以改成单数最好.

那E怎么就 wordy and awkward in its use of the passive voice 呢? 是不是光凭语感呢? 还是有什么规律 关于 什么时候用主动,什么时候用被动。

真的晕了，请版主或NN们再赐教。

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请版主不吝赐教

谢谢babypace，