The Party Conference or Caucus Is a

The party conference or caucus is a

A) group of campaign staffers who administer the day-to-day affairs of the national parties.
B) communications organization in each house of Congress that polls the membership to learn their voting intentions.
C) a group of lobbyists and interest groups who meet in the Capitol to ensure the success of the president's agenda.
D) meeting of a political or legislative group to select leaders and plan strategy.