The best answer is:
b. The author’s description of Farquhar’s escape dream as though it were real allows the story’s ending to be a surprise.
The paragraphs present a vivid and detailed account of Farquhar's perceived escape and return home, which feels authentic and hopeful, leading the reader to believe he has successfully evaded capture. This dreamlike sequence contrasts sharply with the abrupt and grim reality of his death revealed at the end, creating a surprising twist in the narrative.