As You Begin to Work with Solver, You Have Questions

Multiple Choice

As you begin to work with Solver, you have questions. So you turn to your co-worker, Aria, who you know is an expert in its usage.
-Aria explains that if you have a cell that is the sales price of a given product,the value of which will change to produce the desired Solver result in the target cell,this cell is what kind of cell?

A) goal cell
B) constraint
C) changing cell
D) absolute cell