题目内容：
What justifies the official involvement in obesity according to the author?
A．Current health care system cannot afford fat people's costs. A．Current health care system cannot afford fat people's costs.
A．Current health care system cannot afford fat people's costs.
B．Obesity problem is not being valued by the public seriously.
B．Obesity problem is not being valued by the public seriously.
B．Obesity problem is not being valued by the public seriously.
C．Fat people are consuming more health insurance resources.
C．Fat people are consuming more health insurance resources.
C．Fat people are consuming more health insurance resources.
D．Individuals fail to recognize their interests in keeping fit.
D．Individuals fail to recognize their interests in keeping fit.
D．Individuals fail to recognize their interests in keeping fit.
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答案解析：