The strong increase in imports last year is attributed to buoyan

The strong increase in imports last year is attributed to buoyant economic activity.
A、pessimistic
B、strong
C、optimistic
D、brisk
【正确答案】：D
【题目解析】：句意:去年进口额的急剧增加归因于活跃的经济活动。buoyant在句中的意思是“活跃的”。选项中pessimistic 意为“悲观的”;strong 意为“强壮的”;optimistic意为“乐观的”;brisk意为“繁荣的，活跃的”。故本题选D。