If the company had paid less commission, profits（ ）than last yea

If the company had paid less commission, profits（ ）than last year.
A、would be higher
B、were higher
C、would have been higher
D、had been higher
【正确答案】：C
【题目解析】：对过去事实的假设，从句用had done，主句要用would have done。