Given the patient's diastolic blood pressure of 102 mmHg, BMI of 28.7 kg/m2, and current medication regimen, what would be the most appropriate next step in managing their hypertension?
Add an angiotensin-converting enzyme (ACE) inhibitor. Switch hydrochlorothiazide to a loop diuretic. Start a beta-blocker. Increase the dose of amlodipine.