Me with this english question i need it

Which three sentences in this excerpt from arthur conan doyle's "the contest" suggest that the author's tone is mocking?

Read this excerpt from holes. a patrol car pulled alongside him. a policeman asked him why he was running. then he took the shoes and made a call on his radio. shortly thereafter, stanley was arrested. it turned out the sneakers had been stolen from a display at the homeless shelter. that evening rich people were going to come to the shelter and pay a hundred dollars to eat the food that the poor people ate every day for free. clyde livingston, who had once lived at the shelter when he was younger, was going to speak and sign autographs. his shoes would be auctioned, and it was expected that they would sell for over five thousand dollars. all the money would go to the homeless. why does sachar include this description of the shoes in the flashback? a.to show where the shoes came from b.to show how valuable the shoes were c.to reveal why stanley was arrested d.to give background on the homeless shelter

Read the excerpt from the dark game: true spy stories from invisible ink to cia moles. yet, by the time robert e. lee surrendered to ulysses grant at appomattox, virginia, some four years later, about 620,000 soldiers had died on the battlefields, more than american battle deaths in all other wars from the revolution through the vietnam war. what is the author’s primary purpose for including this detail? to inform readers about the differences between three military conflicts to persuade readers of the seriousness of the american civil war to entertain readers with tales from behind the lines of battle to encourage readers to visit battlegrounds in appomattox, virginia