Which Statement Is TRUE Regarding the 50% National Reduction in Welfare

Which statement is TRUE regarding the 50% national reduction in welfare caseloads since the welfare reform legislation passed in 1996?

A) About one-third of the decline in the welfare rolls can be ascribed to reform,with the rest due to the improving economy
B) Nearly all of the reduction in welfare caseloads was caused by the welfare reform.
C) Nearly all of the reduction in welfare caseloads was caused by the economic expansion in the late 1990s.
D) A nontrivial part of the reduction was due to the decreased fertility rates that were caused by the welfare reform.