it goes to the heart of what is wrong with the campaign to put computer in to school.请问句结构是?

问题描述:

it goes to the heart of what is wrong with the campaign to put computer in to school.请问句结构是?
高手帮帮忙,这句是什么结构,
特别是of之后怎么是个句子?不是说介宾中的宾语只能是短语吗?

it 主语.goes谓语.to the heart of what is wrong with the campaign to put computer in to school是介宾短语作状语.介词to的宾语是以heart为中心词的一个名词性短语.其中of what is wrong with the campaign to pu...