One of the Controversies Involving the Treatment of Substance Use

One of the controversies involving the treatment of substance use disorders is whether

A) total abstinence from drinking or drug use is the only acceptable goal.
B) people recovering from substance use disorders should be allowed to treat others.
C) treatment should begin before the person has stopped drinking or drug use.
D) it is appropriate to encourage people to seek help when they are not ready to admit to a problem.