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: Radiology
Investigation of choice for temporal bone injury: 
Select and explain. 
A. CT scan, B. MRI, C. Angiography, D. Plain x-ray a
A: CT scan
Answer: A: CT scan 
Explanation: A i.e. CT scan