Which Statement Describes One Way in Which Osmosis and Dialysis

Multiple Choice

Which statement describes one way in which osmosis and dialysis are similar?

A) Both involve the movement of molecules from low to high concentration.
B) Both involve the movement of molecules from high to low concentration.
C) Both involve the passage of a solute through a semipermeable membrane.
D) Both require an input of energy.
E) Osmosis and dialysis are in no way similar.