Which three options below describe legislative fuctions?

The Senate Foreign Relations committee is a standing committee that reviews all legislation affecting international relations in the Senate. 2. [ Sub-committee hearings might hear testimony from the Surgeon General or the President of General Electric to help determine viability of a bill. 3. A bill which has already passed through the whole process and been signed into law is repealed by a Congress with a different political agenda. ]

A. standing commitee