请教关于平行结构

vbdjulia

Evolutionary psychology holds that the human mind is not a "blank slate," but instead that it comprises specialized mental mechanisms that were developed as a way of solving specific problems human ancestors faced millions of years ago.
(A) the human mind is not a "blank slate," but instead that it comprises specialized mental mechanisms that were developed as a way of solving
(B) the human mind is not a "blank slate" but instead comprises specialized mental mechanisms that were developed to solve
(C) the human mind, instead of a "blank slate," it comprises specialized mental mechanisms that have been developed to solve
(D) rather than it being a "blank slate," the human mind comprises specialized mental mechanisms that have been developed as a way of solving

(E) rather than the human mind's being a "blank slate," that it comprises specialized mental mechanisms that were developed as a way of solving

答案是B。想请教A中是不是把that去掉就正确了？因为but instead前面有逗号，所以要保留it，如果没有逗号就不加it了（如B）？
谢谢~~

ruimiss

but 是和not平行，不是和前面的that平行。因而it指代就不一定是指human mind了。另外，平行的结构也不对称， a "blank slate和 instead that it comprises 形式不平行对称

19900620

其实我觉得这个题 说平时 蛮莫名其妙的 。。。
B中：not 后面是名词  but后面的是动词
我觉得排除 A 是因为里面的IT指代不清了吧。。