What Can We Conclude from the Current Literature on Serious

What can we conclude from the current literature on serious mental disorder and violence?

A) the likelihood of committing violence is the same for people with a serious mental disorder than for those with no mental disorder
B) the majority of people with serious mental disorders do not engage in violence
C) substance abuse does not seem to elevate the risk for violence in those suffering with a serious mental disorder
D) the causal mechanisms that are responsible for the link between mental disorders and violence are clearly understood