TOEFL Listening: ETS-TOEFL听力机经 - 3RX15298TXV38C18P$

What does the student imply when she says this: A. She is already using too many library books. B. She does not have time to do all of the reading in the library. C. She would rather use a library book than buy her own copy. D. She prefers studying in the library to studying in her room.