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 tilting of a cast during surveying in a RPD changes the \nSelect and explain. \nA. Position of undercuts, B. Path of insertion, C. Amount of undercut, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]