please help me to resolve the problem

consumers may not think of household cleanng products to be hazardous substances, but many of them can be harmful to health
especially if they are uesd 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

本题我在D、E之间徘徊，E使用被动语态不好，但是D用顾客做主语，后面them和they的指代总感觉怪怪的，正确答案是D，请高手指教

你可以先查下讨论连接。