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: Dental
[{'content': 'Lines of Blaschko represent – \nSelect and explain. \nA. Lines along lymphatics, B. Lines along blood vessels, C. Lines along nerves, D. Lines of development', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Lines of Blaschko represent non random lines of development of skin.', 'role': 'assistant'}]