TOEFL Listening: ETS-TOEFL听力机经 - I6M1VO9COZ2UEQ88P$

What does the student imply when she says this? A. She is not confident that her answer is correct. B. She wants the class to listen carefully to her explanation. C. She thinks another student may have already given the same answer. D. She has written the answer on a piece of paper.