The correct option is
D I
A loop of Henle in the kidney is of U-shaped, formed through DCT & PCT, its function is the recovery of water & sodium chloride from urine. Podocytes are the cell in the Bowman's capsule which helps infiltration of large molecules. JGA structure formed by DCT & glomerular afferent arteriole and its function is to regulate blood pressure & filtration rate of the glomerulus. DCT basically regulate the ph of urine by secreting protons &
K+ ion and absorbing bicarbonate and a sodium ion.
Thus, the correct answer is C.