What Happens When a Large Volume of Gas Is Compressed

Multiple Choice

What happens when a large volume of gas is compressed to a smaller volume??

A) There are more gas particles in the same volume.
B) The particles shrink.
C) The gas particles would expand in comparison to the size of the beaker.
D) Compressing the gas would likely result in gas particles lost to the atmosphere.
E) Compressing the gas is just a physical change and so should not effect how the gas particles look.