One Drug Treatment for Hypertension, Beta-Adrenergic Blockers, Work by

One drug treatment for hypertension, beta-adrenergic blockers, work by

A) decreasing cardiac output and decreasing plasma renin activity.
B) decreasing cardiac output and increasing plasma renin activity.
C) reducing blood volume by promoting the excretion of sodium.
D) depleting catecholamines from the brain and the adrenal medulla.
E) decreasing sympathetic outflow from the central nervous system.