What Does the Research Regarding Middle-Class, Drug-Abusing Women Suggest

What does the research regarding middle-class, drug-abusing women suggest?

A) Most were introduced to drug use by a friend as a way to self-medicate.
B) Most were introduced to drug use by a physician to address a real medical problem and then became addicted.
C) Most were introduced to drug use in college as a way to deal with feelings of inadequacy.
D) Most were introduced to drug use by friends as a way to have fun.