This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ear, Subject name: ENT
[{'content': 'Citelli angle is \nSelect and explain. \nA. Solid angle, B. CP angle, C. Sinodural angle, D. Pa of macevan triangle', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Citelli angle is also called as sinodural angle.Citelli&;s angle (Sinodural angle)- is an angle between the sigmoid sinus and middle fossa dural plate. Ref- Dhingraa textbook for ENT 6th edition.', 'role': 'assistant'}]