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 function of minor connector is \nSelect and explain. \nA. Connects major connector to all components of the RPD, B. Prevents gingival displacement of the RPD, C. Allows a single path of placement of the RPD, D. It is that unit of RPD to which all other parts are directly or indirectly attached', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]