The results of the company's cost- cutting measures are evident in its profits, which increased five percent during the first three months of this year after it fell over the last two years.
The results of the company’s cost- cutting measures are evident in its profits, which increased five percent during the first three months of this year after it fell over the last two years.
A. which increased five percent during the first three months of this year after it fell B. which had increased five percent during the first three months of this year after it had fallen C. which have increased five percent during the first three months of this year after falling D. with a five percent increase during the first three months of this year after falling E. with a five percent increase during the first three months of this year after having fallen 答案选C 为什么which后面要跟完成时?during不是一般过去时的标志词吗? after后面为什么跟falling呢? 求讲解啊啊~