To the surprise of many people, in ten years the city’s population by 12%.
A. gained
B. expanded
C. developed
D. spread
网友回答
A. gained
(答案→)B. expanded
C. developed
D. spread
解析：考查词义辨析。gained 赢得，expanded 扩展，developed 发展，spread 传播，句意：使许多人吃惊的是，在十年之内这个城市的人口扩展了百分之十二。所以选B。