Find the Indicated Matrix $C = \left[ \begin{array} { r } 1 \\ - 3 \\ 2 \end{array} \right]$

Multiple Choice

Find the indicated matrix.
-Let $C = \left[ \begin{array} { r } 1 \\ - 3 \\ 2 \end{array} \right]$ and $D = \left[ \begin{array} { r } - 1 \\ 3 \\ 2 \end{array} \right]$ . Find $C - 2 D$ .

A)
$\left[ \begin{array} { r } - 3 \\ 9 \\ 2 \end{array} \right]$
B)
$\left[ \begin{array} { r } - 1 \\ 3 \\ - 2 \end{array} \right]$
C)
$\left[ \begin{array} { r } 3 \\ - 9 \\ - 2 \end{array} \right]$
D)
$\left[ \begin{array} { r } 3 \\ - 6 \\ 4 \end{array} \right]$