Which Statement Is TRUE with Respect to Medicare

Which statement is TRUE with respect to Medicare?

A) The part of Medicare that covers inpatient hospital costs and some costs of long-term care is financed largely through a payroll tax.
B) The part of Medicare that covers physician expenditures and outpatient hospital expenditures is financed largely through a payroll tax.
C) Medicare recipients must pay a premium to receive coverage of inpatient hospital costs.
D) Medicare recipients are not able to purchase additional coverage beyond the basic plan provided by the program.