The federal judicial system consists of （）

A. one supreme court,11 courts of appeals and 91 district courts
B. one supreme court,11 courts of appeals,89 district courts,3 courts of special jurisdiction
C. one supreme court,11 courts of appeals,91 district courts,3 courts of special jurisdiction
D. one supreme court,11 courts of appeals,91 district courts,2 courts for the District of Columbia and the Commonwealth of Puerto Rico