Even during 【buoyant】 economic growth, unemployment remains as h

Even during 【buoyant】 economic growth, unemployment remains as high as 10%.
A、slow
B、vigorous
C、floating
D、slackening
【正确答案】：B
【题目解析】：buoyant在这里意为“高速增长的”；slow缓慢的；vigorous有力的，精力充沛的；floating浮动的；slacken松懈，懈怠；故选B。