An Unresponsive Patient Is in a Car with the Doors

An unresponsive patient is in a car with the doors locked and the windows up. Which one of the following actions is most appropriate when attempting to gain access to the patient?

A) Break the window opposite the patient with a spring-loaded punch.
B) Use a crowbar to break the lock on the door.
C) Call for a rescue truck to forcibly remove a door.
D) Break the window by striking it with a crowbar.