Answer:
A.
Explanation:
There are thirteen Circuit Courts in the U.S.Judicial system. The name 'circuit courts' is labelled due to the circuit process of judges across the geographical area.
The function of the U.S. Circuit Courts include that it hears the cases sent from the district court or the lower courts. They tend to hear cases that questions whether constitutional laws are applied correctly or not, or whether the laws applied by the district court is constitutional or not. The Circuit court are restricted hears certain civil and criminal cases only. They can take appeals that involves only certain limited amount of compensation, or felony cases.
Therefore, option A is correct.