​Which Solution Has the Potential to Diffuse the Fastest

Multiple Choice

​Which solution has the potential to diffuse the fastest?

A) ​A solution with large molecules as opposed to smaller ones.
B) ​A solution with a higher concentration of molecules as opposed to one with a lower concentration.
C) ​A solution that is under low pressure as opposed to one under high pressure.
D) ​A solution that is at a low temperature as opposed to one at a higher temperature.
E) ​A solution containing a hydrophilic solute as opposed to a salt.