A)It was a long lecture, but easy to understand.
B)It was not as easy as she had thought.
C)It was as difficult as she had expected.
D)It was interesting and easy to follow.
原文：
3.
M: What do you think of Professor Brown's lecture?
W: The topic was interesting, but the lecture was much more difficult to
follow than I had expected.
Q: What does the woman say about the lecture?