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Anna would like to surround an $8$ in $\times 10$ in photograph with a border of uniform width. Let $x$ be the width of the border, in inches. Which of the following functions could she use to determine the area, $A$, in square inches $\left(\mathrm{in}^{2}\right)$, of the picture and border combined?$\newline$Choose $1$ answer:$\newline$(A) $A=(8-x)(10-x)$$\newline$(B) $A=(8-2 x)(10-2 x)$$\newline$(C) $A=(8+x)(10+x)$$\newline$(D) $A=(8+2 x)(10+2 x)$