What is the recommended treatment for a previously hypertensive patient with subarachnoid hemorrhage, normal swallowing, and a mean arterial pressure of 150 mmHg?
(A) Intravenous antihypertensive medication to lower the mean arterial pressure to 90 mmHg .
(B) Nifedipine by mouth.
(C) Immediate neurosurgery .
(D) Prophylactic phenytoin loading.