Chronic,heavy Use of Marijuana or PCP or Fat-Soluble Injections of Anabolic

Chronic,heavy use of marijuana or PCP or fat-soluble injections of anabolic steroids all have a common feature in that they __________.

A) can be detected in the body for months after the last use
B) can be virtually non-toxic to the body
C) have been recently legalized within the United States
D) cannot be detected by presently available testing procedures