听力原文:M: I don't understand why this study book doesn't provide an explanation of the a
W: But it does. Probably you missed the answers because they are moved to the back.
Q: What does the woman say about the study book?
(13)
A.She thinks the explanation is difficult.
B.The book includes an explanation of all the answers.
C.The explanations will be added in a later edition.
D.She thinks the book should include more information.