Which of these would be the most ironic ending to a story about a crazed explorer who dies searching for a lost city? a. the city remains lost for two centuries until modern technology finally reveals the location. b. his son, who has followed in his footsteps from the beginning, vows to continue the search. c. it turns out he was never an explorer but just an old man in a nursing home losing his mind. d. the young porter whom he berated throughout the journey ends up discovering the lost city.