问题
选择题
It is hard for me to imagine what I would be doing today if I_____ in love , at the age of seven , with the library in my hometown .
A．wouldn’t have fallen
B．should not fall
C．had not fallen
D．were not to fall
答案
C
本题考查虚拟语气在含有if从句的复合句中的用法。主句表示与现在事实相反，用would do，从句与过去事实相反，用had done。故选C。