—How far can you run without stopping?
— . I've never tried.
A. Don't mention it
B. That's all right
C. I have no idea
D. Go ahead
网友回答
A. Don't mention it
B. That's all right
(答案→)C. I have no idea
D. Go ahead
解析：C 考查情景交际。句意：“你能一直不停地跑多远的距离？”“我不知道啊，我从来没试过。”A：不用谢，不用客气；B：不用谢，没关系；C：我不知道；D：说吧，开始吧。根据答语中的I've never tried.可知C项符合对话的语境。