Economic problems were exacerbated by three bad harvests with th

Economic problems were exacerbated by three bad harvests with the result that national income and the volume of foreign trade contracted during 1960～1962．(  )
A、solved
B、reduced
C、deteriorated
D、increased
【正确答案】：C
【题目解析】：exacerbate加重，使......恶化。solve解决；reduce减少；deteriorate恶化，变坏；increase增加。故选C。