标题: PREP183 再问 [打印本页] 作者: fannybeibei 时间: 2010-9-23 14:49 标题: PREP183 再问 Despite recent increases in sales and cash flow that have propelled automobile companies' common stocks to new highs, several industry analysts expect automakers, in order to conserve cash, to set dividends more conservatively than they were
A.to set dividends more conservatively than they were
B.to set dividends more conservatively than they have been
C.to be more conservative than they have been in setting dividends
D.that they will be more conservative than they were in setting dividends
E.that they will be more conservative than they have been to set dividends
对于正确答案C的have been不解 偶以为：现在完成时表----过去发生的，且对现在有影响的动作 我确定这是过去发生的，但为何对现在有影响？感觉这样不清不楚，不知道这时态是要和现在比较还是过去比较。 我以为用they were OR they are都可以，就是想不通they have been