Because the two countries at _ war,the people had _ hard life.

问题描述:

Because the two countries at _ war,the people had _ hard life.
A./;the B.the;the C./;a D.a;a

解析: be at war表示“处于交战状态”,war前不加冠词,have a...life表示“过……的生活”.
答案: C