In addition to the supreme court, the federal court system includes

appellate and trial courts.
trial and district courts.
appellate and superior courts.
trial and superior courts.

answer is not c

#1) In addition to the Supreme Court, the federal court system includes
The answer is a. appellate and trial courts. The United States courts of appeals are the intermediate federal appellate courts. They operate under a system of mandatory review which means they must hear all appeals of right from the lower courts. There are other federal trial courts that have nationwide jurisdiction over certain types of cases, but the district court also has concurrent jurisdiction over many of those cases, and the district court is the only one with jurisdiction over civilian criminal cases.