Who always is singsing loudly in the next room?翻译汉语

问题描述:

Who always is singsing loudly in the next room?翻译汉语

隔壁是谁在一直大声唱歌呀?Who alwaysloudly in the next room?A. is singingB.sangC.singsD.song请选一个A. is singingalways表持续。