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': 'Romana&;s sign occur in - \nSelect and explain. \nA. Babesiosis, B. Leishmaniasis, C. Trypanosomiasis, D. Schistosomiasis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Entry of T.cruzi through conjunctiva Patient develops painless unilateral oedema and conjunctivitis It is known as Romana,a sign ( refer pgno:50 baveja 3 rd edition)', 'role': 'assistant'}]