Which of the Following Statements Is Considered a Major Implication

Which of the following statements is considered a major implication of evolutionary theory related to the study of human development?

A) The importance of similarities among all humans allows for the scientific study of continuity over time.
B) Factors that influence reproductive success of a group have implications for the survival of the species.
C) The early years of childhood are most critical in shaping the structure of adult personality.
D) The course of human development is shaped by entries into and exits from key life roles.