I last heard this song 10 years ago.
A. It has been 10 years when I have heard this song.
B. It was 10 years since I last heard this song.
C. It is 10 years since I last heard this song.
D. It is 10 years when I have heard this song.
Đáp án đúng: C
Số bình luận về đáp án: 10