GRE Text Completion: ETS Fundamental-GRE填空ETS基础 - JQW0PN477JYVJ1XOX

The struggle of the generations is one of the obvious constants of human affairs; therefore, it may be presumptuous to suggest that the rivalry between young and old in Western society during the current decade is ____________ critical. A. perennially B. disturbingly C. uniquely D. archetypically E. captiously