In which of the following ways is region B in the diagram different from region D? (1 point)


A
Region B, the corpus callosum, separates the brain into two halves while region D, the cerebellum, communicates between the two halves.

B
Region B, the cerebrum, is one single unit composed of gray matter, while region D, the cerebellum, is divided into two hemispheres.

C
Region B, the corpus callosum, is composed of several lobes while region D, the cerebellum, only has one lobe.

D
Region B, the cerebrum, is divided into two hemispheres while region D, the cerebellum, is one single structure.