This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thigh, Knee,Leg,Foot & Ankle injuries, Subject name: Orthopaedics
[{'content': 'The most commonly affected component of the lateral collateral ligament complex in an "ankle sprain" is the - \nSelect and explain. \nA. Middle component, B. Anterior component, C. Posterior component, D. Deeper component', 'role': 'user'}, {'content': 'Answer: B \nExplanation: * The lateral collateral ligament is commonly sprained, mostly so the anterior talo - fibular component. Ref: Maheshwari 9th /e p.157', 'role': 'assistant'}]