Question

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

Answer 1

C

解析試題分析：句意：當(dāng)我正在聽(tīng)節(jié)目時(shí)，媽媽正在外面洗東西。while 后跟過(guò)去進(jìn)行時(shí)，when 后跟過(guò)去時(shí)，兩個(gè)動(dòng)作同時(shí)進(jìn)行，故選C。
考點(diǎn)：考查過(guò)去進(jìn)行時(shí)態(tài)。