It Is Nighttime and You Have Been Dispatched for a Vehicle

It is nighttime and you have been dispatched for a vehicle on the shoulder of the interstate with a driver slumped over the steering wheel. When pulling up onto the scene, how should you best position the ambulance?

A) In front of the car with the white strobe lights activated
B) Behind the car with your high-beams on
C) Next to the car to block one lane of traffic
D) Behind the car with the ambulance wheels turned to the right