which of the following is NOT mentioned as a factor of accidents?_英语解答

which of the following is NOT mentioned as a factor of accidents?

人气：218 ℃　时间：2020-04-30 14:39:58

解答

翻译：
以下哪一个没有当作事故的一个原因被提到?
意思
以下那个不是事故的成因之一?