According to Daniel Levinson, Adults _______

According to Daniel Levinson, adults _______.

A) in their later 30s are unlikely to think of settling down.
B) who had not achieved ego identity-a firm sense of who they are and what they stand for-are ready to commit themselves to others.
C) go through certain periods of life in which their progress and psychological well-being are shaped by common social and physical demands and crises.
D) who choose to remain celibate or single develop normally.