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: Pathology
Gray hepatization of lungs is seen on the day - 
Select and explain. 
A. 1, B. 3-Feb, C. 5-Mar, D. 7-May
D: 7-May
Answer: D: 7-May 
Explanation: All 4 phases may be seen in different parts of the same lung

Congestion (1-2 days)
Red hepatization (2nd-4th day)
Gray hepatization (5th-8th day)
Resolution (8th-9th day)