This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: parasitology, Subject name: Microbiology
[{'content': 'Which of the following parasite does not enter into the body by skin penetration - \nSelect and explain. \nA. Dracunculus, B. Necatar americanus, C. Ancylostoma duodenale, D. Stronglyoides', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Human becomes infected by drinking unfiltered water containing infective cyclops The third stage larvae is infective form and is present in the haemocoele of these infected cyclops. When infective cyclops are digested by gastric acidity and the larvae are released (refer pgno:175 baveja 3 rd edition)', 'role': 'assistant'}]