题目
Three waterfalls have these heights: Qingxi Falls, 96 meters; Yunling Falls, 82 meters; and Shuanghe Falls, 71 meters. Qingxi Falls is ___ than Yunling Falls, and Shuanghe Falls is ___ of the three. A. taller; shortest B. taller; the shortest C. tallest; shortest D. tallest; the shortest