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题目小强和小明多次进行百米赛跑，每次小强总比小明提前１０米到达终点．如果让小强后退到离起点１０米处，小明仍在起点赛跑，则：（）Ａ．他们同时到达终点；Ｂ．小强先到达终点；Ｃ．小明先到达终点；Ｄ．不能确定谁先到达终点．分析小强后退１０米和小明同时起跑，到达终
Xiao Qiang and Xiao Ming repeatedly performed the 100-meter race. Each time Xiaoqiang reached 10m ahead of Xiaoming. If Xiao Qiang is allowed to retreat to 10 meters from the starting point, Xiao Ming is still racing at the starting point: () A. They reached the end at the same time; B. Xiaoqiang first reached the end; C. Xiao Ming first reached the end; D. It is unclear who will reach the end first. Analyze Xiaoqiang backwards 10 meters and Xiao Ming start at the same time and reach the end