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': 'Minor connector may be \nSelect and explain. \nA. of Lattice work construction, B. of mesh construction, C. bead or nail head construction, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]