Owing to the financial crisis, economic problems were 【exacerbat

Owing to the financial crisis, economic problems were 【exacerbated】 all over the world.
A、deteriorated
B、improved
C、enlarged
D、transformed
【正确答案】：A
【题目解析】：exacerbate意为“恶化”；deteriorate恶化；improve提高，改善；enlarge扩大；transform改变；故选A。