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': 'Chronic adrenal insufficiency is characterized by all of the following: \nSelect and explain. \nA. Excess pigmentation, B. Asthenia, C. Weight gain, D. Hypoglycemic episodes', 'role': 'user'}, {'content': "Answer: C \nExplanation: Answer is C (Weight gain): Adrenal insufficiency is- associated with weight loss and not weight gain, Weight gain is a feature of Cushing'S syndrome or Adrenal hyperfUnction and not of Adrenal insufficiency.", 'role': 'assistant'}]