For Filtration to Take Place Through the Fenestrated Capillaries of the Renal

For filtration to take place through the fenestrated capillaries of the renal corpuscle,

A) there must be a larger concentration of proteins in the renal tubule than in the glomerulus.
B) there must be more than one capillary bed in the renal corpuscle.
C) concentration of ions must be greater in the capillaries the glomerulus) than in the renal tubule.
D) there must be a greater pressure inside the glomerulus than in the renal tubules.