Which of the Following Describes a Significant Difference in Brain

Which of the following describes a significant difference in brain architecture between the cerebral cortex and other brain structures?

A) The cerebral cortex is smooth, whereas most other structures contain many folds
B) Cortical neurons are arranged in a series of layers rather than the nuclei found in other structures
C) The cortex is located on the ventral side of the brain, whereas most structures are dorsal
D) all of the above