During Adolescence, a Crucial Part of the Identity-Formation Process Requires

During adolescence, a crucial part of the identity-formation process requires individuation, which refers to​  

A) finding meaning in living and coping with feelings of uselessness. 
B) separation from the family system and establishing personal identity based on one's own experiences rather than one's parents' dreams. 
C) expressing sexuality in ways that are congruent with one's value system. 
D) the development of primary sexual characteristics.