Lingular lobe bronchiectasis is due to: (A) Mycobacterium Avium intracellulare infection, (B) Cystic Fibrosis, (C) Tuberculosis, (D) Aspergillosis
Answer is A. MAC infection causes middle lobe and Lingulor lobe bronchiectasis :

Tuberculosis - Unilateral upper lobe bronchiectasis.
Cystic Fibrosis - Bilateral upper lobe bronchiectasis.
Aspergillosis - Central bronchiectasis.