A Train with 300 passengers derailed and lot of casualties rushed to a nearest hospital. The hospital activated mass casualty management. Staff, resources and acute beds are limited. What is the most appropriate management A. All the patients should receive definitive management as soon as possible. B. Evaluate How many patients need hospital admission. C. Identify patients with life threatening emergencies and early management. D. Treat all the patients in the order they receive. E. Divert available resources for critical patients for the best outcome