What role does setting play in the short story, "the gift of the magi"? select all that apply. a. it advances the plot of the story, for if it were not christmas, there would have been no gift exchange. b. it is not important at all; the story's plot and theme would have been exactly the same had it happened at any other time of year. c. the fact that it's christmas sets the stage for acts of sacrifice and selflessness, which develop the theme. d. none of the above e. all of the above