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: Forensic Medicine
Massch test is done for detection of which poisoning? 
Select and explain. 
A. Lead poisoning, B. Thallium poisoning, C. Cyanide poisoning, D. Arsenic poisoning
D: Arsenic poisoning
Answer: D: Arsenic poisoning 
Explanation: Marrch test and Reinsch test are tests for Arsenic poisoning.