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: Dental
[{'content': 'The gingival enlargements in leukemia mainly results from \nSelect and explain. \nA. as an inflammatory reaction to plaque, B. Leukemic cellular infiltration of gingiva, C. Hormonal disturbances, D. Developmental in origin', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]