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: Social & Preventive Medicine
[{'content': 'All of the following are the mode of transmission of leprosy except? \nSelect and explain. \nA. Breast milk, B. Insect bite, C. Transplacental spread, D. Droplet infection', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Transplacental spread', 'role': 'assistant'}]