A-A+
The population which is top-heavy with older p
问题详情
The population which is top-heavy with older people poses a problem to ______.
A．the government
B．the economy
C．the workforce
D．All of the above.
参考答案
正确答案：D
解析：由末段可知older people过分增加，会给三方面造成影响，即the government, the economy及the workforce，
