单选题 His father came home to dinner every night, and ______ in his life Jack felt that they were a real family.
【正确答案】 A
【答案解析】for the first time in one's life平生第一次…。句意：父亲每晚都回家吃晚饭，杰克平生第一次觉得他们是一个名副其实的家庭。