Which Statement Is NOT True

Multiple Choice

Which statement is NOT true?

A) Many deaths occur because the potency of heroin sold on streets can vary from 0 percent to 90 percent.
B) Ninety-five percent of heroin-related deaths are caused by taking heroin alone.
C) The environmental setting in which heroin is taken has an effect on the user.
D) Heroin-related deaths can happen so fast that victims sometimes are found with needles still in their veins.