During Adolescence,self-Concept Becomes Increasingly Accurate

During adolescence,self-concept becomes increasingly accurate.What effect does this have on adolescents' self-esteem?

A) It usually leads to an increase in self-esteem.
B) It leads to a clearer self-assessment,which may be positive or negative.
C) It usually leads to a decrease in self-esteem.
D) It brings on a harsher assessment of self,which leads to adolescent rebellion.