问题
选择题
While I ________to the programs, my mother ________outside.
A．listened; was washing
B．was listening; washed
C．was listening; was washing
D．was listening; is washing
答案
答案：C
题目分析：句意：当我正在听节目时，妈妈正在外面洗东西。while 后跟过去进行时，when 后跟过去时，两个动作同时进行，故选C。