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': 'The lamina propria, a layer of dense connective tissue is: \nSelect and explain. \nA. Thicker in anterior than posterior part of the palate., B. Thicker in posterior than anterior part of the palate., C. Not found in the posterior part of the palate., D. Not found in the anterior part of the palate.', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The lamina propria may attach to the periosteum of the alveolar bone , or it may overlay the submucosa.', 'role': 'assistant'}]