I think Marcus used Identity Moratorium when he tried telling these men that he and his friends were just High School students, and then he tried telling the men that his friend was injured. Marcus tried several options to get a reaction out of the men without success. I'm not sure if this will help, honey, but I did my best.
Samba's Calvary utilize line to draw a parallel between the painter and Christ is by suggested lines circular segment over the craftsman, associating him with the officer's up and coming whipping. Expressive lines in splendid hues make a corona impact around the craftsman.
Lofty ambition means high hopes
As with any author's decision to use 1st person, her intention most likely -- in this story -- was to get her readers to go along for the ride into madness and cultivate a certain amount of sympathy for the narrator and her plight. The constant use of "I" puts readers in the narrator’s head and allows them to empathize with her.