All of the Following Represent Differences Between the Human Brain

All of the following represent differences between the human brain and the brains of other species EXCEPT

A) the human brain contains a greater number of cortical columns than do the brains of other species.
B) the dendritic spines in human neurons have different physiological properties than the dendritic spines found in other species.
C) human brains are comprised of two basic cell types (neurons and glia) ;other species have only one basic cell type.
D) the pattern of connectivity between specialized brain regions is different in humans than in other species.