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
Doctrine of Common Knowledge is a variant of: Odisha 11 
Select and explain. 
A. Medical maloccurance, B. Novus actus interveniens, C. Res ipsa loquitur, D. Calculated risk doctrine
C: Res ipsa loquitur
Answer: C: Res ipsa loquitur 
Explanation: Ans. Res ipsa loquitur