The students have been working _______ for years for the college entrance examination.

A．The state should provide protection for all the old people.
B．The state has to create a suitable framework to restrict the private pensions.
C．The state should protect those who can't support themselves.
D．The state will play a secondary role in pensions due to more private pensions.

A．the state should provide the majority of pensions
B．the state should provide more protection against old-age poverty
C．the role that the state plays in pensions is small
D．private funding should provide the majority of pensions