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: Medicine
[{'content': 'TSH beta subunit is related to \nSelect and explain. \nA. LH, B. FSH, C. ACTH, D. None of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: TSH alpha subunit is related to LH and FSH, while beta subunit is very specific.', 'role': 'assistant'}]