I help people in emergencies. When a medical emergency occurs, emergency medical technicians (EMTs) drive me to a*^*location where someone is in dire need of help. I have a siren and cars move out of the way when they hear me coming.*^*The EMTs then drive me and the people in need to hospitals. What am I?*^*........
A.A carriage
B.An armored car
C.An ambulance
D.An escalator
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