At the Microscopic Level, the Difference Between Gases and Liquids

At the microscopic level, the difference between gases and liquids is that

A) in a gas, the individual atoms are larger.
B) there is much more distance [at least 10 times more] between neighboring atoms in a gas than between neighboring atoms in a liquid.
C) the gas's atoms move throughout the gas, while the liquid's atoms remain near their original locations.
D) both answers A and B are correct.
E) both answers B and C are correct.