This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Orthopaedics
[{'content': "A 23 year old profession footballer suffered a twisting injury to his right ankle. On examination, there is a lot of swelling around the medial malleolus but x-ray doesn't show any fracture. The structure injured could be \nSelect and explain. \nA. Deltoid Ligament, B. Anterior talofibular ligament, C. Spring ligament, D. Tendo Achilles", 'role': 'user'}, {'content': "Answer: A \nExplanation: (Refer: Manish Kumar Varshney's Essential Ohopedics Principles & Practice, 1st edition, pg no. 1265 - 1267)", 'role': 'assistant'}]