61. A 50-year-old male visited outpatient clinic due to difficult-to-control hypertension. After initial work up,hypokalemic hypertensive disorder was impressed, Further laboratory evaluation of adrenal hormonesincluding plasma renin, aldosterone, cortisol, and androgen levels were arranged to distinguish amongspecific diagnoses. The results are: high renin level, high aldosterone level, an aldosterone-to-renin ratioof 10 : 1 ； and a normal serum cortisol levelWhich is the most possible diagnosis?
(A) ACTH-secreting tumor。
(B) Bartter syndrome。
(C) Liddle syndrome。
(D) Primary hyperaldosteronism。
(E) Unilateral renal artery stenosis。