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': 'Following an oral surgical procedure, the surgical site is covered with a gauze wetted with saline because \nSelect and explain. \nA. Saline promotes local haemostasis at the site, B. Saline decreases the tendency of the clot to get embedded in gauze mesh, C. Saline has localized anti-inflammatory action, D. Saline accelerates the healing of the wound', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]