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
RPD should be avoided in all of the following situations; except 
Select and explain. 
A. 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
D: None of the above
Answer: D: None of the above 
Explanation: None