Since HMOs negotiate provider networks in advance of care, HMO members:

Detailed Answer in Step-by-Step Solution:

HMOs limit members to a pre-negotiated network of providers (B), restricting choice to control costs.

Non-network care (A) may be covered in emergencies, not always fully out-of-pocket. Options C (waive re-enrollment) and D (individual coverage) are not HMO features.

The Virginia study guide describes HMOs as managed care plans with a restricted provider network, emphasizing cost control through limited choice. Reference: Virginia Life, Annuities, and Health Insurance study guide, section on "Managed Care Plans."