Hans Eysenck's Two-Factor Model of Personality Is Unique Compared to Other

Hans Eysenck's two-factor model of personality is unique compared to other trait models in that it:

A) is derived from the use of both factor analysis and intuition.
B) has been found to predict specific behaviours even better than more narrow trait measures.
C) is the only model that includes extroversion and neuroticism.
D) postulates a possible biological basis for his traits.