HMO eligibility is primarily based on geographic boundaries, meaning you must live within a specific area to enroll in the plan. Factors like physician availability, household income, and health history do not determine eligibility. Therefore, the correct choice is D. By geographic boundaries.
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HMO eligibility is primarily divided by geographic boundaries, meaning individuals must reside within a specific area to enroll in a plan. While preferred physician availability may influence choice, it does not determine eligibility. Factors such as household income and health history do not impact HMO membership eligibility. ;