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: Ophthalmology
[{'content': 'Which of the following statement is true regarding Acanthamoeba keratitis: September 2012 \nSelect and explain. \nA. For the isolation of the causative agent, corneal scraping should be cultured on a nutrient agar plate, B. The causative agent, Acanthamoeba is a helminth whose normal habitat is soil, C. Keratitis due to Acanthamoeba is NOT seen in the immunocompromised patient, D. Acanthamoeba does NOT depend upon a human host for the completion of its life-cycle', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. D i.e. Acanthamoeba does NOT depend upon a human host for the completion of its life-cycle', 'role': 'assistant'}]