Why Has Partisan Conflict Surrounded Federal Judicial Appointments in Recent

Why has partisan conflict surrounded federal judicial appointments in recent years?

A) Members of Congress do not want the president to have so much power that he or she can place anyone he or she wants on the federal bench.
B) Public opinion has not been favorable to most of the recent presidents' nominees.
C) There have not been enough minority nominees,including women.
D) The federal courts play an important role in shaping American law and politics.