Research on Controlled Social Drinking Indicates That ________

Research on controlled social drinking indicates that ________.

A) it is ineffective with young problem drinkers and people with chronic alcoholism
B) it may be effective with young problem drinkers,but it is ineffective with people with chronic alcoholism
C) it may be helpful with people with chronic alcoholism,but it is ineffective with young problem drinkers
D) it may be helpful with both young problem drinkers and people with chronic alcoholism