All of the Following Are Reason Why Markets Are Unlikely

All of the following are reason why markets are unlikely to yield high quality and efficient health care in the absence of intervention except:

A) There is an asymmetric information problem where households know more about their situation than healthcare providers
B) Some providers may seek to raise profits by subscribing unnecessary tests
C) Financial markets may limit health care providers ability to manage stocks of medicines and supplies
D) Households' lack of knowledge regarding when to seek care may diminish efficiency