Final answer:
Option B: "Instead of darkening, the haunted landscape began to brighten...It sparkled on buttons and bits of metal in their clothing." contributes to the setting of the story in Stephen Crane's "A Great Mistake".
Step-by-step explanation:
The passage from Stephen Crane's "A Great Mistake" that contributes to the setting of the story is option B: "Instead of darkening, the haunted landscape began to brighten. Through the belt of trees beyond the brook shone a strange red light, the trunks and branches of the trees making a black lacework against it. It struck the creeping figures and gave them monstrous shadows, which caricatured their movements on the lit grass. It fell upon their faces, touching their whiteness with a ruddy tinge, accentuating the stains with which so many of them were freaked and maculated. It sparkled on buttons and bits of metal in their clothing"