All of the Following Have Weakened the Power of Appropriations

All of the following have weakened the power of appropriations committees over government agencies except

A) the establishment of trust funds that operate outside the regular government budget.
B) the change in the authorization of many programs from permanent or multiyear to annual authorizations.
C) the need for these committees to focus on huge budget deficits and target spending limits.
D) the 1983 Supreme Court decision ruling the legislative veto unconstitutional.
E) Both A and B.