The density of gold at the room temperature is 19.3 g/cm3, and the density of gold at its melting point is 17.31 g/cm3. What does this information indicate about the differences between solid gold and liquid gold?

A. When solid gold melts, its particles move farther apart

B. The particles in solid gold have more energy than those in liquid gold

C. When solid gold melts some of its particles evaporates

D. The particles in solid gold have more mass than those in liquid gold