When approaching a combat veteran who is highly agitated, the EMT must remember that:

A) Combat veterans are more dangerous than civilians because of their training
B) Identification of the event that led to the PTSD is essential
C) Combat veterans are more likely to assault caregivers and medical providers
D) Reassurance with a firm, calm voice may be necessary and should be attempted first

D) Reassurance with a firm, calm voice may be necessary and should be attempted first