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: Pathology
[{'content': 'Immunoflourescence is seen at basement membrane as patchy distribution in \nSelect and explain. \nA. Lichen Planus, B. Pemphigus, C. Pemphigoid, D. Lupus erythematosus', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]