单选题 College Board President Gaston Caperton trumpeted rising SAT math scores and bemoaned ______verbal scores last week.
【正确答案】 B
【答案解析】[解析] motionless“不动的,静止的”;stagnant“停滞的,迟钝的”;briskness“敏捷, 活泼”;sluggish“行动迟缓的”。