Within the last few years, power in Congress has become
A) decentralized with the proliferation of subcommittees and caucuses.
B) more centralized, with more power in the hands of senior party leaders.
C) dependent on the relationship between the members of Congress and the president as the chief legislator.
D) controlled by the influence of interest groups and Political Action Committees (PACs).
(this multiple choice question has been scrambled)