The length of a rectangle is $(x-8)$ units, and its width is $(x+11)$ units. Which expression can represent the area of the rectangle?
A$x^2+3 x+88$
B$x^2-3 x+88$
C$x^2+3 x-88$
D$x^2-3 x-88$
A$x^2+3 x+88$
B$x^2-3 x+88$
C$x^2+3 x-88$
D$x^2-3 x-88$