If any state tribunal decides a federal question and the litigant has no further remedy within the state court system, from which of the following remedies could the litigant possibly benefit?
a.
a hearing by a us district court
b.
a hearing by a federal court of appeals
c.
a hearing by the us supreme court
d.
a congressional vote

  C.  A hearing by the US Supreme Court.

Explanation:

  The state court system has jurisdiction over disputes with connection to a U.S. State. These courts handle the vast majority of civil and criminal cases of the United States.

  The US Supreme Court can but is not required to review the final decisions of state courts. After having exhausted all the tools available in the State. If the Court believes that the case involves an important question of federal law can accept it.

  I hope this answer helps you.

Option B, a hearing by a federal court of appeal, is the right answer.

Explanation:

In the federal court system of the United States, the Courts of Appeals is also known as the circuit courts. In the United States, such courts are the appellate courts. In a situation when any state tribunal determines a general question and the prosecution has no further remedy within the state court arrangement, he can get remedy from the court of appeals. The decision of the court of appeals will be the final unless it conveys the case back to the trial court for further proceedings, or the defendants urge the Supreme Court of the United States to review the case.