Some facts about drug users that may assist in recognizing problem areas during a drug investigation are set forth as follows. Indicate the one that is erroneous.
A . The only common characteristic is that drug abusers use drugs to a point where they feel they can no longer manage without its support.
B . The adult abuser of drugs commonly has a history of social maladjustment.
C . Drug abuse is concentrated in but not confined to "slum area of large cities.
D . Those who can afford to buy drugs without resorting to crime are less likely to be arrested for drug violations.
E . Chronic abuse of drugs is generally not considered a symptom of mental or emotional illness.
Answer: E