This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
Which of the following can be the principle modality of choice for evaluating lungs of a young patient with suspected alpha1 antitrypsin deficiency? 
Select and explain. 
A. High resolution Ultrasound, B. Ahrography, C. HRCT, D. MRI
C: HRCT
Answer: C: HRCT 
Explanation: HRCT is best to detect and evaluate suspected cases of bronchiectasis, emphysema, diffuse lung diseases and ILDs.