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': 'Which of the following does not predispose toabdominal wall dehiscence - \nSelect and explain. \nA. Faulty technique, B. Malignancy, C. Raised intra abdominal pressure, D. Old age', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]