You were stupid to try climbing up there. You yourself.
A. can kill
B. might have killed
C. might kill
D. must have killed
网友回答
A. can kill
(答案→)B. might have killed
C. might kill
D. must have killed
解析：考察情态动词用法。本句中前句中的were说明本句叙述的是过去的事情，故使用“情态动词+have done”表示对过去的虚拟或者推测。排除AC项。Might have done也许做了某事；must have done一定做了某事；句意：你想爬到那里真是太愚蠢了。你也许会伤到自己的。故B正确。