单选题
His father came home to dinner every night, and ______ in his life Jack felt that they were a real family. A. for the first time B. firstly C. at first time D. at first
【正确答案】
A
【答案解析】[解析] 近义表达辨析 短语for the first time意为“第一次”，强调机会难得，至于以后是否还有这样的机会，不得而知。