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: Pathology
Which of the syndrome is associated with supernumerary teeth: 
Select and explain. 
A. Gardner's syndrome., B. Cleidocranial dysplasia., C. Cleft lip and palate., D. All of the above.
D: All of the above.
Answer: D: All of the above. 
Explanation: Supernumerary teeth associated with:

Gardner's syndrome.
Cleidocranial dysplasia.
Cleft lip and palate.