A 55-yeаr-оld mаle with nо previоus medicаl history is being treated in the hospital for acute cholecystitis s/p biliary drain placement. His pain is well controlled, and he is getting close to discharge. His blood pressure readings throughout his hospitalization have been between 146/98 mmHg to 172/105 mmHg. He has never been treated for hypertension before but admits that he hasn’t been to the doctor in more than a decade. Which of the following antihypertensives should he be started on?