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': "All of the following statements about toxoplasmosis are true except - \nSelect and explain. \nA. Oocyst in freshly passed cat's faeces is infective, B. May spread by organ transplantation, C. Maternal infection acquired after 6 months has high risk of transmission, D. Ahalgia, sore throat and abdominal pain are the most common manifestations", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Human infection: Ingestion of undercooked food containing tissue cyst Blood transfusions Organ transplants Mother to foetus (refer pgno:67 baveja 3 rd edition)', 'role': 'assistant'}]