TOEFL Listening: TPO-TOEFL听力TPO - KN_CLH0778A6WW_PR$

What does the professor imply when he says this: A. The students can understand Frantzen's art without knowing about her life. B. The students should pay very close attention to what he is going to say. C. Some of his students are already familiar with Frantzen's life story. D. Some of his students may not appreciate Frantzen's work.