Perform the Indicated Operation, If Possible $\left[ \begin{array} { r } 3 \\ - 2 \\ - 4 \end{array} \right] + \left[ \begin{array} { r } - 5 \\ 5 \\ 8 \end{array} \right]$

Multiple Choice

Perform the indicated operation, if possible.
- $\left[ \begin{array} { r } 3 \\ - 2 \\ - 4 \end{array} \right] + \left[ \begin{array} { r } - 5 \\ 5 \\ 8 \end{array} \right]$

A)
$\left[ \begin{array} { r r } 3 & - 5 \\ - 2 & 5 \\ - 4 & 8 \end{array} \right]$
B)
$\left[ \begin{array} { l l l } - 2 & 3 & 4 \end{array} \right]$
C)
$\left[ \begin{array} { l } 2 \\ 4 \\ 5 \end{array} \right]$
D)
$\left[ \begin{array} { r } - 2 \\ 3 \\ 4 \end{array} \right]$