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