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': 'False about mucous-membrane pemphigoid \nSelect and explain. \nA. Twice in female, B. Autoantibodies towards basement membrane protein, C. Disease associated antigen are most frequently present in Lamina densa, D. Oral mucosa is most frequently involved', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Mucous membrane pemphigoid is a chronic autoimmune subepithelial disease in which the autoantibodies are directed against proteins in basement membrane zone, more frequently against antigens in lamina tucida portion of basement membrane zone.', 'role': 'assistant'}]