A male driver was ejected from his vehicle after it rolled several times at a high rate of speed. As you approach the patient you note that he is unresponsive and struggling to breathe. He also has a laceration to the left side of his face and multiple contusions to his legs. After assigning another AEMT to take manual inline spinal stabilization, what should you do?

A) Start positive pressure ventilation.
B) Insert an oropharyngeal airway.
C) Open the airway using the jaw-thrust maneuver.
D) Apply a properly sized cervical collar.

C