单选题 The concept of a loyal opposition—the ______ of modern democracy—rarely prevails and． much more frequently, opposition is equated with treason and ruthlessly suppressed．
A．100p B．essence C．equivalent D．velocity

【正确答案】 B
【答案解析】[解析] 本题空格处是说现代民主的本质。B项的“essence本质”符合题意。其他三项“loop循环；equivalent等价物；velocity速度，速率”都不正确。