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 common benign tumour of the orbit is: 
Select and explain. 
A. Optic nerve glioma, B. Meningioma, C. Benign-mixed tumour, D. Haemangioma
D: Haemangioma
Answer: D: Haemangioma 
Explanation: Ans. Haemangioma