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: Social & Preventive Medicine
During massive disaster what should be done first? 
Select and explain. 
A. Hospital treatment and redistribution of patients to hospital if necessary, B. Triage, C. Stabilization of victims, D. Search and rescue, first aid
D: Search and rescue, first aid
Answer: D: Search and rescue, first aid 
Explanation: None