运行下面程序的结果是:__________。s=0for i in (1,2,3): for j in (4,5,6): for k in (7,8,9): s=s+kprint(s) A、显示:216; B、显示:215; C、显示:189; D、显示:188 发布时间:2025-05-15 20:55:03