求教一道语法题Consumers may not think of household cleaning products to be hazadous 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 mey 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

答案 D      

为什么泛指换成了特指？

区别指什么? 泛指特指的话, 没区别. 单复数的话, 有区别.这里不能用Consumers是因为but后面的主语是many of them, 这个them优先指customers .

a consumer 是泛指