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: ENT
Investigation of choice for nasopharyngeal angiofibroma? 
Select and explain. 
A. X-ray, B. MRI, C. Plane-CT, D. CT- contrast
D: CT- contrast
Answer: D: CT- contrast 
Explanation: Ans. is'd'i.e., CT contrastRef: Dhingra Sth/e p. 262CT scan of head with contrast enhancement is the investigation of choice for JNA.