The medicare programs has a four part structure. Match

A) A - Hospital insurance; B - Medical insurance; C - Managed care; D - Prescription drug coverage
B) A - Part A; B - Part B; C - Part C; D - Part D
C) A - Medicaid; B - Medicare; C - Tricare; D - VA health care
D) A - Outpatient care; B - Inpatient care; C - Preventive services; D - Prescription drugs