D. It was so cold one night that she couldn’t feel that her leg had rolled into the fire and burned until it was maimed.
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This is the story itself.
"When I went among them I found my little cousin Mary sitting on a blanket near Mr. Oakley, who had carried her thither, and who was gently trying to engage her thoughts. Her wan face was wet with tears, and her hands were clasped around her knee as she rocked from side to side in great pain. A large woollen stocking covered her swollen leg and frozen foot which had become numb and fallen into the fire one night at Starved Camp and been badly maimed before she awakened to feel the pain."