Why Is Drug Dealing Considered a Rational Crime

Why is drug dealing considered a rational crime?

A) Because drug dealers are more intelligent than other street offenders.
B) Because drug dealers approach their "profession" in a businesslike fashion.
C) Because drug dealers lure non-users with "samples" of their product to generate a greater number of hooked, hard-core users.
D) Because drug dealers are consistently able to avoid detection and arrest.