People who have flood often say that’s . A. experienced; terrifying experienceB. experim

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A. experienced; terrifying experience
B. experimented; terrifying experience
(答案→)C. experienced; a terrifying experience
D. experimented; a terrifying experience
解析：考查experience用法。Experience可以作为动词：体验，经历；可以作为名词：经验（不可数名词）；经历（可数名词）；句意：经历过洪水的人们都说那是一次可怕的经历。故C正确。