题目内容：
根据以下材料回答第题：
Why are governments in the world seeking ways to reduce their spending on health-care?
A．Taxpayers refuse to pay for the soaring drug price now．
B．They can no longer afford the spending due to the increasing population．
C．They face double pressure from aging group and the financial crisis．
D．Their health-care spending has already brought the whole economy down．
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答案解析：