Question

My father was reading newspapers ____ my mother was cooking at this time yesterday evening.

A．when

B．which

C．while

D．because

Answer 1

C

考查時間狀語從句。When“當”，可加短暫性動詞或延續性動詞；while“當，而”；與延續性動詞連用，常用于進行時。句意“昨晚這個時候，我爸爸在看報紙，而媽媽在做飯。”表對比用while，意為“而”。故選C。