答案：C

题目分析：句意：一个无家可归的人赢了 * * 。他一夜暴富。Better safe than sorry（谚）谨言慎行不吃亏，轻率莽撞必后悔; The early birds catches the worm早起的鸟儿有虫吃；Every dog has its day（偐语）每个人都会走运的; Too many cooks spoil the broth人多反误事。根据语境可知该选C。