What Does a "Lie Detector" Have to Do with Eysenck's

What does a "lie detector" have to do with Eysenck's biological theory of temperament?

A) It has nothing to do with Eysenck's theory.
B) It shows that there are no differences in lying behavior between introverts and extroverts; therefore biological underpinnings of personality are unlikely.
C) Eysenck has found that extroverts are more likely to lie than introverts.
D) It can be used to measure levels of physiological arousal in people, and Eysenck posits that introverts are more physiologically aroused at baseline.
E) It can be used to accurately place people into four discrete categories of temperament among which there is no overlap.