Find the correct match of site and function of nephron

Options

A. `{:("SITE","FUNCTION"),("DCT","Reabsorption of "Na^(+)" and "K^(+)" from filtrate"):}`
B. `{:("SITE","FUNCTION"),("Descending of loop of Henle","Impermeable to water"):}`
C. `{:("SITE","FUNCTION"),("PCT",HCO_(3)^(-)" absorption of filtrate"):}`
D. `{:("SITE","FUNCTION"),("DCT","Massive reabsorption of "H_(2)O" & "H^(+)","K^(+)" ions"):}`

Answer

B