Which plot description is the best example of a tragedy?
a. an arrogant businessman loses his money and his freedom when he is sent to jail after his auto company fails to do safety inspections
b. a teenage couple is split apart when the young boy's father is transferred to a new position and the boy's family must move away
c. an old man must give up his most prized possession-and his car- to raise enough money to send his granddaughter to school
d. an environmental activist struggles to save a historical landmark only to see the building destroyed in a fire