What Best Describes an Aspect of the Movement of Fluid

What best describes an aspect of the movement of fluid and solutes between the capillaries and the interstitial space?

A) At the tissue level, osmotic pressure tends to draw water into the interstitial space.
B) Electrolytes move freely across the capillary wall into the interstitium.
C) The capillary and interstitial hydrostatic pressures are approximately equal.
D) The interstitial fluid has a relatively high protein concentration.