In Recent Years,the Filibuster Has ______

In recent years,the filibuster has ______.

A) been used much less frequently than in the past
B) become more likely to be used by bipartisan groups of opponents of civil rights legislation
C) become a tactic regularly used by the minority party to block proposals of the majority party
D) become a tactic regularly used by the majority party to block proposals of the minority party
E) become a much weaker tactic because of recent reforms instituted by the Senate