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
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
