TOEFL Listening: TPO-TOEFL听力TPO - 1SNV5QNC1K41V3G2R$

Why does the professor say this: A. To insist that the student needs to remember what he has just been told B. To acknowledge that her suggestion is not very practical C. To emphasize how impressed she is by the student's achievement D. To imply that the student is not yet ready to begin coaching