Which of the following statements is true about eligibility requirements for stand-alone Medicare Prescription Drug Plans?
a. Eligibility for stand-alone Medicare Prescription Drug Plans is based on income and assets.
b. Individuals must be enrolled in Medicare Part A and/or Medicare Part B to be eligible for stand-alone Medicare Prescription Drug Plans.
c. There are no specific eligibility requirements for stand-alone Medicare Prescription Drug Plans.
d. Eligibility for stand-alone Medicare Prescription Drug Plans is based on age and disability status.