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': 'When occlusal forces are increased, the cancellous bony trabeculae? \nSelect and explain. \nA. Increase in number and thickness, B. Decrease in number and thickness, C. Decrease in number and increase in thickness, D. Remains the same', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]