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': 'In the earliest stages of carious Lesion. There is loss of: \nSelect and explain. \nA. Enamel cuticle, B. Interprismatic substance, C. Organic matrix, D. Enamel lamellae', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]