Which Client Statement Indicates a Knowledge Deficit Related to a Substance

Which client statement indicates a knowledge deficit related to a substance use disorder?

A) "Although it's legal, alcohol is one of the most widely abused drugs in our society."
B) "Tolerance to heroin develops quickly."
C) "Flashbacks from lysergic acid diethylamide (LSD) use may reoccur spontaneously."
D) "Marijuana is like smoking cigarettes. Everyone does it. It's essentially harmless."