A 55-year-old African American male had acute coronary syndrome (ACS) 2 weeks ago treated with a drug-eluting stent in the left anterior descending coronary artery. He is returning for follow-up and has noted BP consistently 145/95 mmHg with a pulse of 55 bpm on home monitoring. He has normal left ventricular function and is already on metoprolol tartrate 50 mg twice a day, aspirin, clopidogrel, and a statin. He is following a low-sodium diet and began a regular exercise program. What is the best choice for the treatment of hypertension?
A. Increase beta-blocker to 75 mg twice a day
B. Add hydralazine to beta-blocker
C. Add hydrochlorothiazide to beta-blocker
D. Add prazosin to beta-blocker