question: Q:A 72-year-old man with longstanding history of diabetes mellitus and hypertension presents to the emergency department with sudden-onset numbness. On your neurological exam, you note that he has loss of sensation on the left side of his face, arm, and leg. His motor strength exam is normal, as are his cranial nerves. Which of the following is the most likely explanation for his presentation?? 
  {'A': 'Anterior cerebral artery stroke', 'B': 'Middle cerebral artery stroke', 'C': 'Conversion disorder', 'D': 'Thalamic stroke', 'E': 'Basilar artery stroke'},