【题目】at the top of the mountain, we caught sight of a river over 250 meters broad.
A.Stood; measuring
B.Standing; measured
C.Standing; measuring
D.Stood; measure

【答案】C
【解析】考查现在分词。句意：我们站在山顶，看见一条250多米宽的河。第一空是现在分词做时间状语，表示主动关系；第二空是现在分词作后置定语，表示主动关系。故选C。