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: Orthopaedics
[{'content': 'What is March fracture ? \nSelect and explain. \nA. Fracture of 2nd metatarsal, B. Fracture of 4th metatarsal, C. Fracture of cuboids, D. Fracture of tibia', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Most common site for march fracture is 2nd metatarsal followed by third metatarsal.', 'role': 'assistant'}]