Under Which Condition Would Fluid Not Return to Capillaries

Multiple Choice

Under which condition would fluid not return to capillaries?

A) Severe decrease in blood protein concentration
B) Conversion by capillary endothelial cells of CO₂ produced by cellular metabolism to HCO₃^-, which is released to the plasma
C) Blood hydrostatic pressure at the arterial end of a capillary bed exceeding blood osmotic pressure
D) Strenuous exercise
E) Dehydration