There are still many problems ahead of us, but by this time next year we can see light at the end of the______.
【正确答案】 D
【答案解析】light at the end of the tunnel是俗语,表示“曙光在前,胜利在望”的意思。battle“战役;斗争”;day“日期;一天”;road“马路”。根据句意,故选D。