This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Brain , Subject name: Anatomy
True about corpus callosum 
Select and explain. 
A. Unite far area of two sides of brain, B. Connect two frontal lobe, C. Unite two hemisphere, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Corpus callosum is the largest commissure of the brain interconnecting the identical/corresponding areas of two cerebral hemispheres. It connects all pas of neocoex except for the lower and anterior pas of temporal lobes. In its convex superior aspect is covered by a thin layer of greymatter- indusium griesum. ref - vishram singh neuroanatomy 2e pg163,164