Which of the Following Is True of Pathological Gambling

Which of the following is true of pathological gambling?

A) It is tied to increased executive control over impulses in the frontal areas of the brain.
B) Pathological gamblers have a greater disruption in the systems regulating the neurotransmitter dopamine.
C) Pathological gamblers tend to have relatively fewer problems with substance use than the general population.
D) About 20 percent of the U.S. population engages in chronic, compulsive gambling.