After working for two hours,I found impossible'to complete the paper in time

问题描述:

After working for two hours,I found impossible'to complete the paper in time
After working for two hours,I found impossible'to complete the paper in time.
A.me B.this C.that D.it
我先C为何错啊.为何先D,不会以是固定搭配吧

it 做形式宾语,真正的宾语是to complete the paper in time.that 不可以做形式宾语.