The "Too Much of a Good Thing" Situation in Health

The "too much of a good thing" situation in health care in the U.S. is a result of the following causes, except

A) the information asymmetry between health care providers and consumers.
B) the way health care spending is financed in the U.S.
C) the interaction between insurance and technological progress in the health care industry.
D) the rising wages of health care workers.