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: Microbiology
[{'content': 'Ascending UTI caused by -a) Salmonellab) T.B.c) E.colid) Chlamydiae) Klebsiella \nSelect and explain. \nA. abd, B. cde, C. bde, D. ade', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]