Q. A 50-year-old man with a history of hypertension comes to the primary care clinic for a follow-up appointment. He has been taking an antihypertensive medication consistently for the past six months. His temperature is 98.6°F (37°C), pulse is 90 beats per minute, blood pressure is 120/82 mmHg and respiratory rate is 14 per minute. During the physical examination, you notice bilateral breast tissue enlargement which was not there before. The patient also expresses concern about this new change. Which of the following antihypertensive medications is most commonly associated with this adverse effect?