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. 65/147I last heard this song 10 years ago.It has been 10 years when I have heard this song.It was 10 years since I last heard this song.It is 10 years since I last heard this song.It is 10 years when I have heard this song.Giải thíchChọn C