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': 'RPD should be avoided in all of the following situations; except \nSelect and explain. \nA. Patients who lack the dexterity to insert prosthesis., B. Patient who do not care to maintain oral hygiene., C. Epileptic patients where there is a danger of swallowing the denture during an attack., D. None of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]