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
[{'content': 'The conclusion post mortem finding of death by drowning - \nSelect and explain. \nA. Cutis anserine, B. Presence of water in the middle ear, C. Edematous lungs, D. Demonstration of diatoms in the organs of the body', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]