---Did you see two men____across the road just now?---Yes,it's too dangerous.

问题描述:

---Did you see two men____across the road just now?---Yes,it's too dangerous.
A run B ran C to run D running

D
分析:排除C与D,因为
see sb do sth(动作已结束)
see sb doing sth (动作正在进行)
这里强调是刚才你看见两个人过马路吗?指当时的情况,故D对
加油!不明白再问!如果帮到你,请采纳,谢谢!