Which of the Following Is a Key Emphasis of the Theory

Which of the following is a key emphasis of the theory presented by Ainsworth and Bowlby?

A) Emphasis is on the role that emotions play in social and psychological functioning.
B) Focus on the relationship between the emotional bond between a parent and child and the child's psychosocial development over the lifespan.
C) Focus in on adolescent psychopathology in the context of maturation and developmental processes
D) Emphasis is on eight psychosocial stages and their associated developmental tasks