Your Unresponsive Patient's Breathing Is Labored at 10 Breaths Per

Your unresponsive patient's breathing is labored at 10 breaths per minute, and his systolic blood pressure is 80 mmHg. His wife tells you that he was complaining of chest pain before collapsing. You should

A) administer oxygen via a rebreather mask.
B) inquire further about the patient's medical history.
C) call an ALS team and wait for their arrival.
D) expedite transport to the nearest suitable hospital.