Answer:
The correct answer is option D. "market economy because the drug​ development, and the resources allocated to the​ development, occurs in the market".
Explanation:
The Federal government of the United States follows a a free market economy, at which everything is reigned following a supply and demand approach as long as it follows government regulations. This is the case for the development of new drugs and medical tests such as OraSure. The drug​ development, and the resources allocated to the​ development, occurs in the market with previous approval of FDA, the agency that determines if the drug is safe for the people.