Which of the Following Statements About Alcohol Problems Is Accurate

Which of the following statements about alcohol problems is accurate?

A) The lifetime prevalence for alcoholism in the United States is about 30 percent.
B) The average life span of an alcoholic is twelve years shorter than the average citizen.
C) Although alcohol impairs motor behavior, it does not lower performance on complex cognitive tasks.
D) Alcohol abuse is a "pure" disorder, with less than 5 percent of alcohol abusers having a coexisting mental disorder.