If I _______ that chance to show my ability, I _______the presid

If I _______ that chance to show my ability, I _______the president of this school.
A、have not had； could not become
B、had not had； would not have become
C、did not have； could not become
D、doesn’t have； will not become
【正确答案】：B
【题目解析】：选B。表示与过去事实相反的假设。