Which of the Following People Is Abusing Drugs but Is

Multiple Choice

Which of the following people is abusing drugs but is not drug-dependent?

A) George, who uses marijuana but only on the weekends when his friends can join him.
B) Philip, who rarely binge-drinks except when he is at fraternity parties.
C) Quint, who is physically addicted to cigarettes.
D) Roger, whose occasional drinking has gotten him in trouble at school.