Which Statement Summarizes the Structure of the Federal Judiciary? It

Which statement summarizes the structure of the federal judiciary? It is made up of ______.

A) the Supreme Court, Circuit and Federal District Courts, and various specialty courts
B) the Supreme Court, state courts, and local courts
C) the Supreme Court, the federal district courts, and court authorities that handle simpler, more routine cases
D) the Supreme Court, courts of commerce, and courts of the interior