A-A+
According to the author what is the key facto
问题详情
According to the author, what is the key factor in the rise of health cost in the U.S.？
A．The refusal of insurance companies to pay the bills.
B．The increase of the number of doctors and hospitals.
C．The lack of government control over the medical prices.
D．The merger of private health care with the public system.
参考答案
正确答案：C
解析：文章第四段第一句提到最基本的问题是“there is no central control over the health system”即主要原因是政府对医疗收费没有严格的控制。故选C项。
