A farmer has a square-shaped plot of unused land. Along the length of the farm, he fences off a 25-foot wide section to create an area to store equipment. After the farmer fences off the section, the new area of the unused land is given by the expression below, where x represents the original length, in feet, of the farm. Which statement best describes the term 25x?

A.
the area of the plot of land after a section was fenced off to store equipment
B.
the length of the land fenced off to store equipment
C.
the area of the plot of land before a section was fenced off to store equipment
D.
the area of the land fenced off to store equipment