In Most Studies of the Relationship Between Drinking and Mortality

In most studies of the relationship between drinking and mortality rate,a J-shaped or U-shaped relationship has been found.This pattern suggests that

A) light and moderate drinkers have a higher death rate than heavy drinkers.
B) moderate and heavy drinkers have a lower death rate than light drinkers.
C) light and nondrinkers have a higher death rate than heavy drinkers.
D) light and moderate drinkers have a lower death rate than nondrinkers or heavy drinkers.