At a Crash Scene,when Police,firefighters,and Emergency Medical Services (EMS)personnel Converge

At a crash scene,when police,firefighters,and emergency medical services (EMS) personnel converge,

A) the police often feel that the fire truck is just in the way and demand it be moved because it is blocking traffic.
B) the police should realize that the equipment officers may need is already on the fire truck.
C) the police should realize that the truck provides good traffic control, protecting the crash scene and those responding to it.
D) the police often feel the fire truck is in the way and demand it be moved because it is blocking traffic, but the police should realize that equipment the police may need is already on the fire truck.
E) all of the other choices.