Question

【题目】________ I got back, I found my mother cooking for me.

A. When B. Before C. Since D. Although

Answer 1

【答案】A

【解析】

试题When当……时；Before在……之前；Since由于，自从……以来；Although虽然，尽管。句意：当我回来时，我发现我的母亲正在为我做饭。结合语境可知选A。