F: Did Linda ever finish that introductory chapter? ,M: I'm not sure, she spent hours and rewriting it.
(A) F: Poor girl. Do you really mean that she rearranged the chapters of her book? (B) F: I didn’t hear you. Please could you tell me again? (C) F: Are you sure that she assured you that the chapter was finished? (D) F: Poor girl. Do you really mean that she worked on the chapter for quite a while? But it's fortunate that she has finished the previous one, the introductory chapter.
B