问题
选择题
The twins didn’t go to the theatre, they ______ the light music all night.
A．have enjoyed
B．will enjoy
C．are enjoying
D．were enjoying
答案
答案：D
句意：这对双胞胎没有去电影院，他们整晚都在家听轻音乐。结合语境可知下文描述的是过去某时正在进行的动作，故用过去进行时态。选D。