Evaluate the Expression A) $\left[ \begin{array} { c c } 8 & 6 \\ - 3 & - 7 \end{array} \right]$

Evaluate the expression.
$\left[ \begin{array} { c c } 4 & - 3 \\- 9 & 1\end{array} \right] + \left[ \begin{array} { c c } 2 & 8 \\- 2 & - 4\end{array} \right] + \left[ \begin{array} { c c } - 2 & - 1 \\- 8 & 4\end{array} \right]$

A) $\left[ \begin{array} { c c } 8 & 6 \\ - 3 & - 7 \end{array} \right]$
B) $\left[ \begin{array} { c c } 4 & 4 \\ - 19 & 1 \end{array} \right]$
C) $\left[ \begin{array} { c c } 6 & 5 \\ - 11 & - 3 \end{array} \right]$
D) $\left[ \begin{array} { l l } 1 & 0 \\ 0 & 1 \end{array} \right]$
E) not possible