Which of the following statements about medicare part d are correct?
a. part d plans must enroll any eligible beneficiary who applies regardless of health status except in limited circumstances.
b. private fee-for-service (pffs) plans are not required to use a pharmacy network but may choose to have one.
c. beneficiaries enrolled in a ma-medical savings account (msa) plan may only obtain part d benefits through a standalone pdp.
d. beneficiaries enrolled in a ma-ppo may obtain part d benefits through a standalone pdp or through their plan.