Brad, Age 17, Has Difficulty Refraining from Swearing in Front

Multiple Choice

Brad, age 17, has difficulty refraining from swearing in front of his grandparents. He enjoys swearing in everyday life where he gets a positive response from his peers when he swears. According to Barkley's model this is an example of

A) an inability to inhibit competing stimuli.
B) an inability to interrupt a behavior that is already underway.
C) an inability to inhibit a prepotent response.
D) an inability to exert motor control.