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 hypertensive individual had a sudden headache and became unconscious within a few minutes. On regaining consciousness, there was complete flaccid hemiplegia with no involvement of upper face, absence of tendon reflexes and a positive Babinski sign. Which one of the following arteries could have ruptured - \nSelect and explain. \nA. Lateral striate branch of middle cerebral, B. Medial striate branch of anterior cerebral, C. Posterolateral branch from posterior cerebral, D. Posterior choroidal branch of posterior cerebral', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]