Which Statement About U.S.Courts of Appeals Is Correct

Which statement about U.S.Courts of Appeals is correct?

A) Each state has its own U.S.Court of Appeals.
B) There are four U.S.Courts of Appeals-one for the Eastern,Western,Southern,and Northern United States.
C) There are 13 U.S.Courts of Appeals.
D) There are nine U.S.Courts of Appeals,one for each justice on the Supreme Court.