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: Surgery
[{'content': 'True about cellulitis of lower limba) Infection of skin & subcutaneous tissueb) Fever & malaise are commonc) Margins are distinctd) External wound always presente) Involved site is red & hot \nSelect and explain. \nA. bcde, B. abcd, C. acde, D. abce', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]