The US Healthcare System Is Unusual in Which of the Following

The U.S healthcare system is unusual in which of the following ways, as compared to healthcare systems in other developed countries?

A) The United States spends far more per capita and a higher percentage of its GDP than any other country.
B) The United States has a higher percentage of uninsured patients than other developed countries.
C) The United States has a higher percentage of its costs related to administration than most other developed countries.
D) The United States has a higher percentage of specialists compared to generalists than most other developed countries.
E) All of these are correct.