The correct option is A An unexpected visit from a stranger.
The correct plot of the story is Option A. In the story a stranger, Akira here, pays a visit to Chie's house on a cold winter evening to tell her about an urgent news. Option B is incorrect as the stranger was very polite and the conversation between Chie and Akira is normal and not like an argument. Option C is incorrect as the stranger only tells his news to Chie and interacts with no one else. Option D is incorrect as the starnger comes to meet a woman, Chie here, and does not send in a letter.