The Difference Between the Standard Emergency Triage Practice and the Current

The difference between the standard emergency triage practice and the current emergency triage of mass casualties is that:

A) current emergencies triage women and children first.
B) standard triage treats those with least serious injuries first.
C) previous emergencies never involved the triage of mass casualties or victims of infectious agents.
D) emergency triage focuses on the clients with the best chance to live.