This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Disorders of Adrenal Gland, Subject name: Medicine
[{'content': 'Which of the following variant of CAH presents with mineralocoicoid deficiency? \nSelect and explain. \nA. 11b hydroxylase deficiency, B. 17a hydroxylase deficiency, C. P450 oxidoreductase dehydrogenase, D. 3b hydroxyl-steroid dehydrogenase', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Deficiency in CAH Glucocoicoid Mineralocoicoid Androgens 21 hydroxylase Reduced Reduced Increased 3 b hydroxyl-steroide dehydrogenase Reduced Reduced Increased 11 b hydroxylase Reduced Increased Increased 17 a hydroxylase Reduced Increased Decreased P450 oxidoreductase Reduced Increased Decreased', 'role': 'assistant'}]