You park downstream of an accident site on a busy four-lane highway. a fire apparatus has been positioned upstream to block two lanes of traffic. you are parked in the rightmost lane. cones are placed in a line down the center of the highway, blocking off two lanes, including the lane to your left just outside the driver's side door. you may exit the vehicle:

D.

Explanation:

Based on the information provided within the question it can be said that you may exit the vehicle on the driver's side after checking approaching traffic in the side mirror. First Responders should always exit the vehicle into the safe zone, in this scenario since the lanes on the left of the vehicle are blocked off it becomes part of the safe zone and allows you to exit from the driver's side after making sure there's no oncoming traffic.