Which of the following does NOT account for the rise in the cost of health care ?

Which of the following does NOT account for the rise in the cost of health care ?

A. Classical rules that govern marketplace exchanges have been applied to the health care industry for decades
B. Labor costs have risen sharply
C. The continual upgrading in the scope and intensity of medical services is costly
D. The concept of “health” has been expanded to include mental and psychological difficulties and “condition” such as infertility