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: Pharmacology
[{'content': 'Which of the following statements regarding ACE inhibitors is TRUE ? \nSelect and explain. \nA. These inhibit the conversion of angiotensinogen to angiotensin–1, B. Omission of prior diuretic dose decreases the risk of postural hypotension, C. Lisinopril is shorter acting than enalapril, D. These are contra–indicated in diabetic patients.', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]