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