Kohlberg Proposes That Moral Development Occurs in a Fixed Order,and

Kohlberg proposes that moral development occurs in a fixed order,and that people are unable to reach the highest stage of moral reasoning until __________ due to __________.

A) middle childhood;lack of cognitive development
B) adolescence;lack of experience and peer pressure
C) young adulthood;lack of experience
D) adolescence;lack of cognitive development