Final answer:
The U.S. health care delivery system is different from that of other countries in several ways. It is more decentralized, does not conceptualize health care as a human right, and is much more expensive. The characteristic that does not differentiate the U.S. system is that it is heavily regulated.
Step-by-step explanation:
The U.S. health care delivery system is different from that of other countries in several ways. Out of the options given, the characteristic that does not differentiate the U.S. system is C) The U.S. system is heavily regulated.
The U.S. system is known for being more decentralized compared to other countries, meaning that it is not centralized under a single governing body. Additionally, the U.S. system is unique in that it does not conceptualize health care as a human right, unlike many other countries. Lastly, compared to other countries, the U.S. health care system is much more expensive.