D) it is not possible to dissolve more solute into the solution
Explanation:
There are primarily three types of solutions:<em> saturated solution, unsaturated solution and supersaturated solution.</em>
A "saturated solution" is a solution in which you can dissolve <u>a lot more solute.</u> It has very little solute in it.
An "unsaturated solution" is a solution in which you can dissolve<u> a little more solute</u> although it has a lot of solute in it.
A "supersaturated solution" is a solution in which<u> you cannot dissolve any more solute</u>. It has the<u> maximum amount of solute in it</u>. This makes choice D as the answer.
