The old man was knocked down by a car [ ]he saw it run towards him.A before B after C when D till
问题描述：
The old man was knocked down by a car [ ]he saw it run towards him.A before B after C when D till
理由哦
答
选A,老人在看到车朝他开来之前就被撞倒了（撞倒了他,他都没看到车开过来了）
选D的话翻译不通,文法也不对,直到老人看到车在他开来之前就被撞倒了
选C的话也不对,就得是：.when he saw it was running towards him
B就不讨论了
分析如有误请更正,同意的话