Defense of Persons or Property Is Best Illustrated by Which

Defense of persons or property is best illustrated by which of the following examples?

A) Carrie is operating a compressing machine. Gloria accidentally drops her wedding ring into the compression chamber. Gloria shouts to Carrie to stop the machine, but Carrie, who has never liked Gloria, ignores Gloria's plea. Gloria runs over to press the machine's emergency stop button, knocking Carrie aside in the process.
B) Russ spots a bank robbery. Running across the street to a tavern, he telephones the police.
C) Pedro drives a delivery truck. As he is driving down the street, a child steps into the truck's path. Pedro swerves, crashing into a parked car.
D) Rich sees a fire in a pharmacy after closing hours. He breaks open the door and puts out the fire with the extinguisher he carries in his truck.