question: Q:A 68-year-old Caucasian male complains of severe headache and pain while chewing. Upon examination, he is found to have a left visual field deficit. Laboratory results show elevated erythrocyte sedimentation rate. Which of the following drugs would be the best choice for treatment of this patient?? 
  {'A': 'Propranolol', 'B': 'Prednisone', 'C': 'Sumatriptan', 'D': 'Pilocarpine', 'E': 'Clopidogrel'},