Darwin's Evolutionary Theory Influenced the Development of the Field of Personality

Darwin's evolutionary theory influenced the development of the field of personality psychology through

A) its focus on how a species on an isolated island may differ from its mainland counterpart.
B) its focus on divine intervention as a mechanism of population change.
C) the idea that people are subject to the laws of nature, like other animals.
D) the introduction of fossil evidence as a source of data.
E) the idea that extinct populations can provide important data.