Answer:A) Shouting was an attempt to protect the EMT from a potentially unsafe scene.
Explanation:
It would be a precaution for an EMT to assess the scene even if it for few seconds just to ensure it is safe to proceed .
It a busy highway there could be criminals searching around the car to see if they can find anything or it could have been a gun robbery and the criminals are still around the scene .
It will be good to visual assess the scene in distance first and then proceed .