This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hea failure, Subject name: Medicine
[{'content': 'Which of the following is not moality reducing drug in Hea failure with reduced ejection fraction(HFrEF)? \nSelect and explain. \nA. Metoprolol, B. Digoxin, C. Captopril, D. K+sparing diuretics', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Digoxin is not moality reducing drug in HFrEF. Moality reducing drug in patients with HFrEF: ACE inhibitors Angiotensin receptor blockers (ARBs) Angiotensin receptor blocker with Neprilysin Inhibitor (ARNI) Beta blockers Mineralocoicoid receptor antagonists Spironolactone Eplerenone Isosorbide dinitrate + Hydralazine', 'role': 'assistant'}]