A 56-year-old man presents with exertional chest pain relieved by rest. He has no significant ECG changes at rest. What is the most appropriate initial pharmacological therapy to manage his stable angina, in addition to lifestyle advice?AStart a beta-blocker (e.g., bisoprolol)BBegin an ACE inhibitor (e.g., lisinopril)CInitiate a long-acting nitrate (e.g., isosorbide mononitrate)DAdd a statinEStart a calcium channel blocker (e.g., amlodipine)Check my answer