Which of the Following Statements Is True

Which of the following statements is true?

A) Factors other than healthcare expenditures contribute significantly to diminishing returns.
B) As a result of efficiency and technology,healthcare spending is subject to permanent increasing returns.
C) According to the production function,high initial healthcare spending is required to produce any measurable returns.
D) End-of-life treatments are often the most cost-effective because hospitals have a fixed time frame for which to administer care.
E) As a result of efficiency and technology,healthcare costs are wholly on the decline,despite large increases in many aspects.