这句话里面有省略了什么吗?“I don't think the kind of boy he is has anythi

这句话里面有省略了什么吗?“I don't think the kind of boy he is has anything to do with it."
这是我一篇课文（英语名篇）里的一句话，为什么可以这样省略啊？难道不是语法错误？