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: Medicine
A 5-year-old woman presents with dry cough and progressive breathlessness of two years duration. Examination reveals clubbing, cyanosis and bibasilar crepts. What is the probable diagnosis 
Select and explain. 
A. Bronchiectasis, B. Lung abscess, C. Interstitial lung disease, D. Pulmonary tuberculosis
C: Interstitial lung disease
Answer: C: Interstitial lung disease 
Explanation: None