What happens when an electric current is passed through the copper sulphate solution?

• A. Copper sulphate is deposited on the plate connected to negative terminal of the battery.
• B. Copper is deposited on the plate connected to positive terminal of the battery
• C. Copper is deposited on the plate connected to negative terminal of the battery.
• D. Sulphur is deposited on the plate connected to negative terminal of the battery