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: Ophthalmology
The most impoant factor on which development of papilloedema depends in intracranial tumours is: 
Select and explain. 
A. Site of tumour, B. Size of tumour, C. Nature of tumour, D. Rate of growth of tumour
A: Site of tumour
Answer: A: Site of tumour 
Explanation: Ans. Site of tumour