问题详情

Opponents of the retirement policy say______.
A．it gives more leisure to old people than they know how to use
B．it costs too much money in the form. of retirement pensions
C．it is too rigid and flexibility should be integrated into it
D．retirement should be practiced only in the public sector此题为多项选择题。请帮忙给出正确答案和分析，谢谢！