<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 65-year-old African-American man comes to the physician for a follow-up examination after presenting with elevated blood pressure readings during his last visit. He has no history of major medical illness and takes no medications. He is 180 cm 5 ft 9 in tall and weighs 68 kg 150 lb; BMI is 22 kgm2. His pulse is 80min and blood pressure is 15590 mm Hg. Laboratory studies show no abnormalities. Which of the following is the most appropriate initial pharmacotherapy for this patient?? A: Valsartan, B: Metoprolol, C: Chlorthalidone, D: Aliskiren, E: Captopril,  <response>: This is a question about choosing the most appropriate initial pharmacotherapy for a 65-year-old African-American man with newly diagnosed hypertension. Relevant factors include the patients age, race, lack of other medical conditions, and blood pressure readings. The choices include several different classes of antihypertensive medications. To answer this, we need to consider current guidelines on hypertension treatment, which recommend thiazide diuretics as first-line therapy for most patients, including African-Americans.C: Chlorthalidone 