$89.$ Upon arrival to a $$man down$$ call, EMS providers discover an injured police officer lying on the ground with an obvious injury. Rescuers are confident that the person who assaulted the officer has fled. Which choice BEST describes how the scene can be kept safe?

a$.$ Confirm more police are enroute and assign a crew member to monitor the surrounding

b$.$ Drag the officer to a safe place and expect the criminal will return to $$cover up$$ his crime

c$.$ Remove the officer$$s handgun from the holster and secure it in a locked ambulance cabinet

d$.$ Quickly assist the officer to his feet and then assist with securing the scene perimeter until back$-$up arrives.