idiom practice

[tonebeeze]

Teenagers may not think of illicit drugs to be dangerous, but many of them can be addictive, especially if they are used habitually.

a. Teenagers may not think of illicit drugs to be
b. Teenagers may not think of illicit drugs being
c. A teenager may not think of illicit drugs being
d. A teenager may not think of illicit drugs as
e. Illicit drugs may not be thought of, by teenagers, as

OA = D
Can someone explain why E is incorrect?

[singh181]

E is Passive.

[jaygirl001]

E is also bulky and akward, on the other hand D is short and simple

[rohu27]

also A,B,E have pronoun reference error. them in the non underlined part may as well refer bck to teenagers or drugs..its not clear.
singluar teenager clears this ambiguity.

[tetura84]

We definitely have pronoun antecedent issue here.
In the non underline portion, them = can refer to teenagers or drugs.

A B E out

In C, we are using being, this is absolutely no-no in GMAT.