A Caucus (Political) or Conference Is an Organization

A caucus (political) or conference is an organization:

A) within government that meets to discuss party positions on issues.
B) that primarily exists to raise money for party candidates.
C) that is designed to represent constituency groups within the party.
D) that consists of representatives from each state party organization.
E) that once assisted the party machines with fund-raising but now plays almost no role in party politics.