This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Unknown
Tributaries of cavernous sinus are all except - 
Select and explain. 
A. Inferior cerebral vein, B. Central vein of retina, C. Sphenoparietal sinus, D. Superior cerebral vein
D: Superior cerebral vein
Answer: D: Superior cerebral vein 
Explanation: Ans-D