As the signalman is relating the chilling tale of the woman who died while riding the train, the narrator describes the wind passing through the wires above. Which of the following BEST describes how this relates to the story?
a. It reinforces the suspenseful plot of the story.
b. It introduces an element of dramatic irony to the story.
c. It adds to the author's characterization of the narrator as gullible.
d. It changes the point of view from which the story is being told.