The correct answer is:
c. Her familiarity allows her to invent an otherworldly explanation for events she can easily predict; Nuttel’s unfamiliarity makes him believe this as truth.
In "The Open Window," Vera's intimate knowledge of her surroundings enables her to craft a convincing story that manipulates Nuttel, who is unaware of the true nature of the events related to Vera's family. This dynamic highlights the theme of deception and the impact of context on perception.