She ( )the door bell rang,when she ( ) to the music.A was hearing,listened B heard,was listeningC hears,is listeningD has heard,listens

问题描述:

She ( )the door bell rang,when she ( ) to the music.
A was hearing,listened
B heard,was listening
C hears,is listening
D has heard,listens

选B,这个考的是过去进行时