For Eysenck, the Important Difference Between Extroverts and Introverts Is

For Eysenck, the important difference between extroverts and introverts is that:

A) extroverts are chronically over-aroused
B) extroverts are seeking arousal while introverts are trying to avoid it
C) introverts seek environments that increase their level of arousal while extroverts seek environments that decrease it
D) the ascending reticular activating system is found primarily in extroverts and rarely in introverts