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
Best method to diagnose Bronchiectasis is – 
Select and explain. 
A. X–ray, B. Bronchography, C. M.R.I., D. HRCT
D: HRCT
Answer: D: HRCT 
Explanation: Investigation of choice for Bronchiectasis is HRCT.