定语从句问题(the way)

问题描述:

定语从句问题(the way)
I hate the way that(in which)she always criticizes me.
that 和 in which 在定语从句中分别做什么成分,如果从句不是已经是个完整句子,为何还可以用that

that在此是个副词,in which是介词短语,在从句中充当状语