When a cork and a nail are kept in a beaker filled with water, the cork floats while the nail sinks. What is the reason behind this?

• A. The mass of the cork is more than the mass of the iron nail.
• B. The density of the iron nail is more than the density of water
• C. The mass of the iron nail is more than the mass of the cork.
• D. The density of the cork is more than the density of water.