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 important factor on which development of papilloedema depends in intracranial tumour is 
Select and explain. 
A. Site of tumour, B. Nature of tumour, C. Size of tumour, D. Rate of growth
A: Site of tumour
Answer: A: Site of tumour 
Explanation: None