All of the Following Statements Regarding Congressional Committees Are True

All of the following statements regarding congressional committees are true except

A) committees are legislative gatekeepers.
B) the Speaker of the House is a member of all of the House of Representatives' committees.
C) committees perform the bulk of the legislative work in Congress.
D) more than 90 percent of all bills submitted to Congress do not make it out of committee.
E) conference committees are composed of members of the House and the Senate that meet to reconcile differences in a bill passed by the two chambers.