You are assessing a 49-year-old man who, according to his wife, experienced a sudden, severe headache and then passed out. He is unresponsive and has slow, irregular breathing. His blood pressure is 190/94 mm Hg and his pulse rate is 50 beats/min. His wife tells you that he has hypertension and diabetes. He has most likely experienced:.A. a ruptured cerebral artery. B. acute hypoglycemia. C. a complex partial seizure. D. an occluded cerebral artery.