Though i have often heard this song( ),i have never heard you ( ) it.

问题描述:

Though i have often heard this song( ),i have never heard you ( ) it.
A.being sung;sang Bsang;singing C.sung;sing D.to be sung;to sing

hear sb.singing a song,听到某人在唱一首歌.进行排除,只能
选B.