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
Average fatal dose of croton oil seed is : 
Select and explain. 
A. 500 drops, B. Hand ful of seeds, C. About 4 to 5 drops, D. 20 drops
D: 20 drops
Answer: D: 20 drops 
Explanation: D i.e. 20 drops