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 neurotoxic -a) Sea snakeb) Russel viperc) Kraitd) Cobrae) Pit viper 
Select and explain. 
A. ab, B. bc, C. cd, D. de
C: cd
Answer: C: cd 
Explanation: Kraft and Cobra are neurotoxic.