Which of the Following Statements Is True About Health Care

Which of the following statements is true about health care costs in the United States?

A) Costs have risen because increases in the price of health care have more than offset reductions in the quantity of health care provided.
B) Costs have risen because increases in the quantity of care provided have more than offset price reductions realized through economies of scale.
C) Costs have risen because both the price of health care and the quantity provided have risen.
D) Costs have remained relatively stable as price increases have been largely offset by reductions in the quantity provided.