A 28-year-old woman presents to a court-ordered drug treatment center because of methamphetamine abuse. She tells the drug counselors that she initially started taking methamphetamine because she was trying to work two jobs and needed to try to stay awake and remain productive. She found that she liked the euphoric effects of the drug and kept taking methamphetamine to reexperience the "high." Which of the following mechanisms of action is most likely responsible for the reinforcing effects of methamphetamine?
A. Blocks the metabolism of both dopamine and norepinephrine
B. Directly stimulates dopamine receptors
C. Directly stimulates adrenergic receptors
D. Induces dopamine release
E. Induces norepinephrine release