Following are a few definitions of osmosis. Read carefully and select the correct definition.

• A
  Movement of solvent molecules from its higher concentration to lower concentration.
• B
  Movement of water molecules from a region of higher concentration to a region of lower concentration through a semipermeable membrane.
• C
  Movement of solvent molecules from higher concentration to lower concentration of solution through a permeable membrane.
• D
  Movement of solute molecules from lower concentration to higher concentration of solution through a semipermeable membrane.