Was the boy saved?no,The doctors tried best ___they faild

问题描述:

Was the boy saved?no,The doctors tried best ___they faild

but
Was the boy saved?no,The doctors tried best but they faild
这个男孩得救了吗?没有,医生尽了最大的努力,但是他们失败了.
这个问题的关键在于中间的那个NO.