Under the Affordable Care Act,what Are the Rules for Dependents

Under the Affordable Care Act,what are the rules for dependents to be covered under a parent's health plan? (You may select more than one answer. )

A) Dependents under the age of 26 are covered.
B) The parent must be an employee covered by a qualified cafeteria plan.
C) All employer-sponsored health plans qualify.
D) The dependent must be under the age of 21.