economies,economics,economic,economy辨析

问题描述

China is one of the world’s fastest-growing __________ and attracts the attention of international businesses from all over the world.
A. economies       B. economics
C. economic        D. economy
选A还是选D？

老师答疑

曾老师：

答案选A（economies）。one of ... 结构后应接可数名词的复数形式。economy 作 “经济体；经济管理；经济制度” 等时是可数名词。又如：
Ireland was one of the fastest-growing economies in Western Europe in the 1990s.  20 世纪 90 年代，爱尔兰成为西欧增长速度最快的经济体之一。《牛津高阶英语词典》