已知 ${A} {P}={P B}$, 其中 ${B}=\left(\begin{array}{ccc}1 & 0 & 0 \\ 0 & 0 & 0 \\ 0 & 0 & -1\end{array}\right), {P}=\left(\begin{array}{ccc}1 & 0 & 0 \\ 2 & -1 & 0 \\ 2 & 1 & 1\end{array}\right)$, 求 ${A}$ 及 ${A}^{5}$.
$\text{A.}$
$\text{B.}$
$\text{C.}$
$\text{D.}$