In Modern Societies, People Are Expected to Perform Capably in the Realms

In modern societies, people are expected to perform capably in the realms of work, family, and citizenship upon becoming adults

A) even though young adults are not mentally mature enough to do so.
B) thanks to gradual socialization into these roles by their parents.
C) because school provides them with the tools to succeed in these areas.
D) despite having little experiencing with them as adolescents.