Plaintiffs brought suit against the city under federal law, claiming that their civil rights had been violated because the authorities failed to revoke the driver's license of an epileptic, who had caused several accidents, and not revoking it had resulted in personal injury and property damage to other persons prior to his accident with plaintiffs. The plaintiffs in the case could have filed

their suit in

a. a state trial court.
b. a federal trial court.
c. either a state or federal trial court.
d. none of the above; it is an administrative action involving the Department of Motor Vehicles in the appropriate state.

C