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

OA - D

When reading non-underlined portion, I felt cleaning product should be subject to clearly help pronouns they and them. Can you help know why E is wrong and how D is good from pronoun part