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
Pink's disease is due to 
Select and explain. 
A. Toxicity of silver, B. Toxicity of Mercury, C. Toxicity of Lead, D. Toxicity of Tetracycline
B: Toxicity of Mercury
Answer: B: Toxicity of Mercury 
Explanation: None