单选题 There were once only eight major lakes or reservoirs in Texas, but today there are over 180, many built to storing water against periodic droughts.

【正确答案】 D

【答案解析】Key：D 分析：此处的to 是不定式，后面应该接动词原形。D错。改正：to storing à to store 参考译文：在Texas曾经仅仅只有8个湖或者水库，但是如今超过了180个，许多建造来蓄水应付定期的干旱。