This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory system, Subject name: Anatomy
The alveoli are filled with exudates the air is displaced conveing the lungs into a solid organ this description suggests: 
Select and explain. 
A. Chronic bronchitis, B. Bronchial asthma, C. Bronchiectasis, D. Lobar pnemonia
D: Lobar pnemonia
Answer: D: Lobar pnemonia 
Explanation: Bacterial invasion by lung parenchyma causes the alveoli to be filled with inflammatory exudate,thus causing consolidation of the pulmonary tissue.(ref Robbins 9/e p704)