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': 'Decreased level of testosterone results in all EXCEPT: March 2013 \nSelect and explain. \nA. Loss of libido, B. Infeility, C. Decreased frequency of sexual intercourse, D. Increased muscle mass', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. D i.e. Increased muscle mass', 'role': 'assistant'}]