Which statement explains why committees are important in the process of a bill becoming a law? Choose the best answer

A: Committees are important because they conduct research and revise bills to increase their likelihood of passing.
B: Committees are important because they have the deciding vote in whether a bill passes.
C: Committees are important because they are solely responsible for holding debate over bills
D: Committees are important because they can veto bills if they don't believe they will benefit all Americans

A: Committees are important because they conduct research and revise bills to increase their likelihood of passing.