单选题：Whatmaybetheresultofenhancingwell-beingatolderages?

题目分类：英语四级
题目类型：单选题
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题目内容：

Whatmaybetheresultofenhancingwell-beingatolderages? A．Peoplewillbehappierthanever.
B．Healthcaresystemwillbenefit.
C．Oldpeoplewillbemuchhappier.
D．Therewillbemoreoldpeople.

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