For Eysenck,the Important Difference Between Extraverts and Introverts Is That

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

A) extraverts are chronically overaroused
B) extraverts seek arousal, whereas introverts try to avoid it
C) introverts seek environments that increase their level of arousal, whereas extraverts seek environments that decrease it
D) the ascending reticular activating system is found primarily in extraverts and rarely in introverts