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: Surgery
Prophylactic polypectomy is done is - 
Select and explain. 
A. Peutz Jegher's syndrome, B. Gardner's syndrome, C. Familial polyposis, D. None of the above
D: None of the above
Answer: D: None of the above 
Explanation: None