Although Rehabilitation Centers for Substance Use Disorders Abound in the United

Although rehabilitation centers for substance use disorders abound in the United States,

A) many of the least effective techniques are used in these centers.
B) the profit margin is very large, which makes such rehabilitation centers a very good investment on the part of the owners.
C) there are no sufficient assessors to assess all substance abusers and make appropriate referrals.
D) they tend to cater to those who abuse illicit drugs more than they do those with alcohol use disorders.