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: Pathology
Commonest Type of Intracranial Tumour is: 
Select and explain. 
A. Astrocytoma, B. Medulloblastoma, C. Meningioma, D. Secondaries
A: Astrocytoma
Answer: A: Astrocytoma 
Explanation: Astrocytoma