Respuesta :
You pull over(, if possible) or stop to let the vehicle get through
I believe the answer is: c) pull over to the curb and stop
Emergency vehicles usually always battling against time due to their functions (such as police cars who want to go to crime site or ambulance who want to help patients in dire condition). Because of this, it is really important for you to provide them with pathways on the read by pulling over to the curb and stop.