, the car stopped all at once.A. Seeing a boy lying on the groundB. On seeing a boy sittin

, the car stopped all at once.
A. Seeing a boy lying on the ground
B. On seeing a boy sitting on the road
C. The driver saw a boy standing on the road
D. The minute the driver saw a boy seated on the road

A. Seeing a boy lying on the groundB. On seeing a boy sitting on the roadC. The driver saw a boy standing on the road (答案→)D. The minute the driver saw a boy seated on the road解析：考查句子结构。A/B项使用分词做状语，但是动词see与句子主语the car没有关系。C项的两个句子之间缺少连接词的连接。D项中的the minute指“一…就…”教研员：那个司机一看见坐在路上的男孩，就立刻把车停住了。故D正确。

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