Much to my astonishment, I found his lecture on wildlife conservation extremely interesting.
A. Contrary to my expectations, his lecture on wildlife conservation was the most fascinating of all.
B. I was fascinated by what he said in his lecture on wildlife conservation though I hadn’t expected to be.
C. I hadn’t expected him to lecture on wildlife conservation, but he spoke well.
D. It was at his lecture on wildlife conservation that I realized I needed to study it.
Đáp án B
Rất ngạc nhiên, tôi thấy bài giảng của anh ta về bảo tồn động vật hoang dã vô cùng thú vị.
= Tôi đã bị cuốn hút bởi những gì anh nói trong bài giảng của mình về bảo tồn động vật hoang dã mặc dù tôi đã không mong đợi như vậy.