Medicare Part D (prescription drugs) is a voluntary program. Why is Medicare concerned that adverse selection may occur in this program?
A. Medicare beneficiaries will use too many drugs because the premium is subsidized.
B. Medicare beneficiaries will join the program only when they require expensive drugs.
C. Because the government subsidizes 75 percent of this benefit, too many Medicare beneficiaries will join the program.
D. Medicare beneficiaries will attempt to enroll spouses who are not eligible for Medicare.