Elrod Knows That His Drinking Is Destroying His Family and Threatening

Multiple Choice

Elrod knows that his drinking is destroying his family and threatening his job, but he continues to drink heavily. In fact, his drinking is increasing and he is spending more and more time obtaining and drinking alcohol. The few times he has tried to quit he has suffered severe anxiety, tremors, and rapid pulse. Elrod's symptoms are characteristic of ______.

A) casual drug usage
B) substance abuse
C) substance dependence
D) substance intoxication