TOEFL Listening: ETS-TOEFL听力机经 - 34B1A113Q4Y9S2VWP$

Why did the woman not know about the man's literature class? A. She did not look at the class schedule carefully. B. It was taken off of the class schedule when it became full. C. She was interested only in classes taught by Professor Smith. D. The man had to change the class's meeting time.