I was having a nap when suddenly the telephone rang.正确答案：我在睡觉时，电话铃突然响了。

我在睡觉时，电话铃突然响了。正确答案：I was having a nap when suddenly the telephone rang.

电话铃声响（）声后，美容师应迅速接听。A.一B.二C.三D.四正确答案：B