请教prep上的一个语法题

26.   (答案是D，我选了E请NN帮忙看看，非常感谢)

The investigations of many psychologists and anthropologists support the generalization of there being little that is a significant difference in the underlying mental processes manifested by people from different cultures.

(A) of there being little that is a significant difference

(B) of there being little that is significantly different

(C) of little that is significantly different

(D) that there is little that is significantly different

(E) that there is little of significant differences

significant和significantly 是不一样的

其次is significantly different in the underlying mental processes 也不对