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
Which of the following drugs is associated with gingival hyperplasia? 
Select and explain. 
A. Dihydropyridines, B. Tetracyclines, C. Cyclosporin, D. Metronidazole
C: Cyclosporin
Answer: C: Cyclosporin 
Explanation: None