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
Which of the following is an illuminous, translucent and waxy poison? 
Select and explain. 
A. Iodine, B. Ammonium bromide, C. Cobra venom, D. Yellow phosphorus
D: Yellow phosphorus
Answer: D: Yellow phosphorus 
Explanation: Yellow phosphorous is crystalline and highly toxic.its translucent,waxy and luminous. Ref: Modern Medical Toxicology By Jaypee Brothers, Medical Publishers, Pillay,Page 62,63; The essentials of forensic medicine and toxicology,By K.S Narayan reddy,29th Edition ,Page 493,494; Parikh's Textbook of Forensic medicine 6th Edition,Page 9.1-9.3