A 56 year old African American female with a history of asthma is diagnosed with hypertension. Laboratory studies reveal a creatinine of 3.0 mg/dL and a potassium level of 5.1 mg/dL. Which of the following medications is appropriate to treat her hypertension?
A) amlodipine
B) hydrochlorothiazide
C) enalapril
D) propranolol
E) spironolactone