Perform the Operation or Operations When Possible A) $$\left[ \begin{array} { r r } 3 & - 1 \\7 & 0 \\- 3 & 6\end{array} \right]$$

Perform the operation or operations when possible.
- $$\left[ \begin{array} { r r } - 1 & 2 \\0 & 4 \\7 & - 4\end{array} \right] - \left[ \begin{array} { l l } 2 & 1 \\7 & 4 \\4 & 2\end{array} \right]$$

A)
$$\left[ \begin{array} { r r } 3 & - 1 \\7 & 0 \\- 3 & 6\end{array} \right]$$

B)
$\left[ \begin{array} { r r } 1 & 1 \\ 7 & 0 \\ 3 & - 2 \end{array} \right]$
C)
$\left[ \begin{array} { r r } - 3 & 1 \\ - 7 & 0 \\ 3 & - 6 \end{array} \right]$
D)
$$\left[ \begin{array} { r r } 1 & 3 \\7 & 8 \\11 & 1\end{array} \right]$$