Your Teacher Says That Your Self-Concept Has Become More "Differentiated

Your teacher says that your self-concept has become more "differentiated." What does your teacher mean?

A) You have placed your self-descriptors into a small number of categories.
B) Your "self" and your self-esteem have become separated.
C) You have added more categories to your self-description.
D) You have doubled your list of personal interests.