58. 下列哪一結構的功能與鈉離子(Na⁺)的再吸收最為相關?(A)亨利氏環上升肢(ascending limb of the loop of Henle)(B)亨利氏環下降肢(descending limb of the loop of Henle)(C)鮑氏囊(Bowman’s capsule)(D)集尿管(collecting duct)