When Similar Criteria for Defining Use of Alcohol and Illicit

When similar criteria for defining use of alcohol and illicit drugs were used, all but which was found:

A) the majority of prisoners reported use of alcohol at the time of their offense
B) about the same percent of state inmates reported using alcohol versus other drugs at the time of their offense
C) among federal inmates, more reported alcohol than other drug use at the time of their offense
D) overall, less than a third of prisoners reported alcohol use at the time of their offense