Human Beings Have a Long Period of Development, Requiring Nurturance

Human beings have a long period of development, requiring nurturance and protection for many years.What would evolutionary theorists argue about this long period of relative immaturity?

A) It is due to innate evolutionary mechanisms responsible for shaping human conduct and character.
B) Most human motives and behaviours have a biological basis.
C) It is a necessity because a long period of adaption is needed for acquiring physical and cognitive competencies.
D) Infants are more self-sufficient at birth than initially believed.