Question

【题目】Fewer and fewer people spend time reading. There were only 49% of adults in the US ________ visited a public library last year.

A. who B. where C. when D. which

Answer 1

【答案】A

【解析】句意：越来越少的人花时间读书。去年在美国只有49%的成年人参观一个公共图书馆。修饰名词adults，作定语从句的主语，故用关系代词who，故选A。