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. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer. Any boxes left with a question mark will be automatically graded as incorrect.)

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