问题详情

All of the following are TRUE about DB plan EXCEPT that ______.
A．the sponsor provides retirement income when the money workers have been setting aside is not enough
B．it is adopted in the United States
C．under a DB plan, companies may provide less money for pensions than needed
D．currently it is not as preferred as individual DC plans in the United States请帮忙给出正确答案和分析，谢谢！