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: Pharmacology
Which of the antithyroid drug inhibit iodine trapping? 
Select and explain. 
A. Radioactive iodine, B. Iodides, C. Methimozole, D. Thiocyanades
D: Thiocyanades
Answer: D: Thiocyanades 
Explanation: Ans. is 'd' i.e., Thiocyanades