The Fact That Nearly 90% of Youths with Substance Use

Multiple Choice

The fact that nearly 90% of youths with substance use disorders show at least some problems with oppositional,defiant,or disruptive behavior demonstrates which of the following?

A) CD and substance use disorder share a common genetic or biological cause.
B) Disruptive behavior problems lead to substance use disorder.
C) Substance use disorder leads to disruptive behavior problems.
D) There is a strong relationship between conduct problems and substance use disorder, but this relationship does not tell us about the cause or direction of the link.