W: Were you able to use the book that Dr. Nelson put on reserve for our homework? M: No, I wasn't. It's a mystery to me why the library closed early., Question: What does the man mean? (A) The library no longer had the book on reserve. (B) The library closed earlier than he'd expected. (C) The professor had chosen a mystery book for him instead.
(B) The library closed earlier than he'd expected.