_____ Clearly Qualifies as a Mechanistic Model of Human Development

_____ clearly qualifies as a mechanistic model of human development, whereas _____ more clearly reflect(s) an organismic model.

A) Freud's psychosexual theory; Erikson's psychosocial theory
B) Erikson's psychosocial theory; Freud's psychosexual theory
C) Skinner's social-learning theory; Piaget's cognitive-developmental theory
D) Piaget's cognitive-developmental theory; Skinner's social-learning theory
E) Bronfenbrenner's ecological systems theory; all social-learning theories