confused 还是confusing?

问题描述:

confused 还是confusing?
The _________ look on her face suggested that she hadn't quite understood her manager's idea.
选什么?为什么?

confused
人感到困惑用confused
事物令人感到困惑用confusing
confused look 困惑的表情,是人感到困惑而产生的表情,题目是她不明白经理的意思,显然是她感到困惑
如果是confusing look,就是说她的表情让别人困惑