GRE考试

根据网考网考试中心的统计分析，以下试题在2019/9/6日GRE考试习题练习中，答错率较高，为：66%
【单选题】The primary purpose of the passage is to


A．analyze a current trend in relation to the past
B．discuss a particular solution to a long-standing problem
C．analyze changes in the way a long-standing problem is viewed
D．apply a generalization to an unusual situation
E．(E) describe an old approach by contrasting it with a newer approach