The statement that best explains how the third-person limited point of view affects "The Secret Life of Walter Mitty" is:
The third-person limited point of view helps readers understand Walter Mitty's thoughts and feelings, giving insight into his daydreams and challenges while keeping other characters' thoughts a mystery.
This perspective allows readers to closely follow Mitty's internal experiences and fantasies, enhancing the depth of his character while limiting the insight into other characters.