Answer:
C). Being a brief intervention that requires a few sessions.
Explanation:
Motivational interviewing is characterized as the approach of psychotherapy that is employed for curing the problem of drinking. This counseling technique has one of the key advantages that include 'a brief intervention that requires few sessions targetting the social, developmental, or behavioral problems faced in individuals in order to modify their behavior through motivation.' The first option is incorrect as the efficacy percentage is lesser than 90% and there is no solid evidence has been collected to prove the group efficacy of this technique. Thus, option C is the correct answer.