There is no evidence that it is slowing

问题描述:

There is no evidence that it is slowing
是什么从句啊`

There is no evidence that it is slowing
that引导的是一个同位语从句.
因为在这个从句中that不作成分,it is slowing主/表语已经存在了.而that在定语从句中是关系代词,必须作成分.