This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunity, Subject name: Pathology
[{'content': 'Acutehumoral renal transplant rejection is characterized by the following except: \nSelect and explain. \nA. Presence of anti-donor antibodies, B. Interstitial and tubular mononuclear cell infiltrate, C. Necrotizing vasculitis, D. Acute cortical necrosis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) Interstitial and tubular mononuclear cell infiltrate(Ref: Robbins 9th/pg 231-234; 8th/pg 221-229)Interstitial and tubular mononuclear cell infiltrate is a feature of acute cellular and chronic rejection.', 'role': 'assistant'}]