Final answer:
To be eligible for enrollment in a Medicare Advantage Plan, an individual must be entitled to Medicare Part A and enrolled in Medicare Part B, and they must reside in the plan's service area.
Step-by-step explanation:
Medicare Advantage Plans, also known as Medicare Part C, are private health insurance plans that provide Medicare benefits to individuals who are entitled to Medicare Part A and enrolled in Medicare Part B. To be eligible for enrollment in a Medicare Advantage Plan, the individual must meet the following requirements:
- Is entitled to Medicare Part A and enrolled in Medicare Part B: This means that the individual must be eligible for Medicare benefits and have already enrolled in both Part A and Part B of Medicare.
- Resides in the plan's service area: Medicare Advantage Plans have specific service areas within which they operate, and individuals must reside within the service area of the plan they wish to enroll in.
Therefore, options A and D are the correct eligibility requirements for enrollment in a Medicare Advantage Plan.