which definition goes with the following

Point-of-Service Plan

Preferred Provider

Health Maintenance Organization

A.Managed care plan in which a group of doctors and hospitals agree to provide care at rates preapproved by the insurer. Premiums may be slightly higher than other plans because there is more flexibility in seeing other plan-approved doctors without referrals

B.Health plan that provides a wide range of services for a fixed monthly premium. Preventive services are typically fully covered under this type of plan. Must receive care from providers covered under the plan.

C.A network of participating medical providers who have contracted to provide services for certain fees. You can receive care from providers outside of your network, but it will be at a higher fee.