A 3-year-old female child developed fever, cough, and respiratory distress. On chest, X-ray consolidation is seen in right lower lobe. She improved with antibiotics but on follow up at 8 weeks was again found to have increasing consolidation in right lower lobe. Your next investigation would be: (A) Bronchoscopy, (B) Bacterial culture of the nasopharynx, (C) CT scan of the chest, (D) Allergen sensitivity test
Answer is C. None