what he said 这样的结构看成名词词组还是句子?because of+名词词组;because+句子,那么because of what he said这样结构好像也见过,what he said是名词词组还是从句?

问题描述:

what he said 这样的结构看成名词词组还是句子?
because of+名词词组;because+句子,那么because of what he said这样结构好像也见过,what he said是名词词组还是从句?

算是名词性从句