The Social Security Administration faces new challenges in the twenty-first century because
A.there are more workers paying into the system.
B.its services are no longer needed by American workers.
C.there are a greater number of retirees in the system.
D.its revenues are needed in other government programs.
A.there are more workers paying into the system.
B.its services are no longer needed by American workers.
C.there are a greater number of retirees in the system.
D.its revenues are needed in other government programs.