Which of the Following Statements About the Healthcare Systems of Middle-Income

Which of the following statements about the healthcare systems of middle-income countries is false?

A) A characteristic of middle income countries such as Mexico is a great disparity between health outcomes between urban and rural citizens. This is true because most citizens live in rural areas.
B) A characteristic of middle income countries such as Mexico and Poland is social insurance programs which are often supplemented by private care by the wealthy.
C) Large variations in quality of service provision and social insurance schemes originating with employee coverage are characteristic of both Poland and Mexico's health care systems.
D) The most common source of income for Mexican physicians is from salaried positions in government insurance agencies and/or Ministry of Health.
E) The term "cost-shifting" is most likely to be interpreted differently in the U.S. vs. in Poland.