This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
[{'content': 'A 44-year-old patient comes to his primary care physician complaining of double vision. On examination, he is unable to adduct or abduct his right eye- On further examination, he is also found to be unable to adduct his left eye. The remainder of the physical examination is normal. \nwhich of the following is the most likely location of the patient’s lesion? \nSelect and explain. \nA. Left abducens nerve, B. Left abducens nucleus and left medial longitudinal fasciculus, C. Right abducens nerve, D. Right abducens nucleus and right medial longitudinal fasciculus', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]