Which of the Following Is the Primary Thrust of the Psychosocial

Which of the following is the primary thrust of the psychosocial theory of development?

A) There are five different stages of psychosexual growth, each of which contributes to our adult personality.
B) At each of eight different stages, people encounter a unique crisis that must be resolved for development to proceed normally.
C) Development is a dynamic process of interaction with our environment, where unskilled children are guided by more skilled adults.
D) There are four stages of cognitive development, and at each stage a child becomes more capable of understanding and utilizing symbolic thought.