My mother was cooking while I the radio.A. listened toB. have listened toC. was listening

问题补充：

My mother was cooking while I the radio.

A. listened to

B. have listened to

C. was listening to

D. is listening to

答案：

A. listened to

B. have listened to

(答案→)C. was listening to

D. is listening to

解析：while作为连词，可以连接两个并列发生的动作，同时发生，故选C，表示这两个动作同时发生。