This is the song I’ve told you about. Isn’t it beautiful one?A. aB. anC. theD. /

问题补充：

This is the song I’ve told you about. Isn’t it beautiful one?

A. a

B. an

C. the

D. /

答案：

(答案→)A. a

B. an

C. the

D. /

解析：考查冠词.句意:这就是我告诉过你的那首歌.这不是一首美妙的歌曲吗?结合语境可知本句泛指任何一首美妙的歌曲,故用不定冠词,beautiful词首音素是辅音,故不定冠词用a,选A.