In the Context of Evolutionary Explanations of Personality, Which of the Following

In the context of evolutionary explanations of personality, which of the following statements best describes physical mechanisms?

A) They are the personality traits that have evolved to solve problems of adaptation.
B) They are the bodily organs and systems that solve survival and reproductive problems.
C) They are the internal and specific cognitive, motivational, or personality systems that solve specific problems of survival and reproduction.
D) They are the defense mechanisms that protect us from harmful, threatening, and anxiety-provoking thoughts, feelings, or impulses.