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
The best method to diagnose bronchiectasis: 
Select and explain. 
A. X-ray, B. X-ray, C. MRI, D. HRCT
D: HRCT
Answer: D: HRCT 
Explanation: Ans. HRCT