The Ages and Stages Developmental Theories Are Based on Which

The ages and stages developmental theories are based on which premise?

A) Development occurs in response to specific life events and transitions that require adaptive, coping behavior and involve changes in one's life patterns.
B) People experience much the same sequential physical, cognitive, socioemotional, and moral changes during the same age periods or developmental states.
C) Human behavior is motivated by internal psychodynamic forces and external factors such as cultural orientation, socioeconomic status, and the number and intensity of life events.
D) Development occurs as a result of stress associated with life events or transitions that serve as an impetus for growth.