题目内容
（请给出正确答案）
[主观题]
Why can businessmen make money in the emerging elder market？A．Retirees are more generous i
Why can businessmen make money in the emerging elder market？
A．Retirees are more generous in spending money.
B．They can employ more gerontologists.
C．The elderly possess an enormous purchasing power.
D．There are more elderly people working than before.
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