GRE Reading Comprehension: JiJing 352-GRE阅读机经352篇 - 47JKT70WD5P4VF74J

The primary purpose of the passage is to A. summarize a demographic trend overt time B. present findings on a demographic group C. analyze the demographic composition of a type of job D. explain the need for particular social research E. argue for the implementation of a social policy