Trends in Social Service Spending Source: Budget of the United

Trends in social service spending Source: Budget of the United States Government,Fiscal Year 2017: Historical Tables (Washington,D.C.: U.S.
Government Printing Office,2016) ,Table 3.1.
-In what sense is Social Security spending "uncontrollable"?

A) Congress determines how much it will spend for Social Security each year.
B) Social Security spending varies according to how much money is available in the Social Security Trust Fund.-Consider This: Social Security payments are automatic for anyone who qualifies,regardless of funding available.
C) Congress has enacted laws that make Social Security payments automatic for all those who are eligible.
D) Social Security requires funding from excise taxes that are unpredictable from year to year.