Which of the following accurately characterizes the function of the...

Which of the following accurately characterizes the function of the U.S. Circuit Courts?

• The Circuit Courts are responsible for hearing appeals sent to them by the District Court system.
• The Circuit Courts are responsible for trying both criminal and civil cases.
• The Circuit Courts are responsible for reviewing cases decided by the Supreme Court.
• The Circuit Courts are responsible for overseeing all of the federal court system.