GRE Text Completion: ETS Official Practice 150-GRE OP150:填空 - 1I8Y1K6UAT665PX7O

Early studies often concluded that the public was ____________ the propagandistic influence of mass communications, but one recent study indicates that, on the contrary, mass communications seldom produce marked changes in social attitudes or actions. A. unaware of B. scornful of C. susceptible to D. unimpressed by E. coping with