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: Physiology
[{'content': 'Krause end bulbs are specialised receptors for \nSelect and explain. \nA. Cold, B. Pain, C. Touch, D. Heat', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]