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
MTAD is 
Select and explain. 
A. Mixture of Tetracyclin, Acid and Detergent, B. Mixture of Triclosan Acid and Doxycycline hyclate, C. Mixture of Tetracyclin, Acid and EDTA, D. Mixture of Triclosan, Acid and EDTA
A: Mixture of Tetracyclin, Acid and Detergent
Answer: A: Mixture of Tetracyclin, Acid and Detergent 
Explanation: None