M: Maybe it was the fish or meat we ate. ,F: Yes, it might have been. ,M: Or the soup. ,F: No, it couldn't have been the soup because I didn't have any.
(A) M: Let's stop talking about the division of housework. We have already had a clear division. (B) M: You had the soup, so the cause must be the it. (C) M: Excuse me, could you repeat the question? (D) M: Yes. The soup can't be the cause of our discomfort.
D