---I fell off the bike. I think my left leg may be broken.---.A. I dont hope so.B. I hope

问题补充：

---I fell off the bike. I think my left leg may be broken.---.

A. I don hope so.

B. I hope not so

C. I do hope it

D. I hope not

答案：

A. I don hope so.

B. I hope not so

C. I do hope it

(答案→)D. I hope not

解析：not可以代替否定的从句。Eg.I think not=I don’t think so.I suppose not=I don suppose so.