Mashaal Masha
If $X+~\left[ \begin{matrix} -1 & -2 \\ 0 & -1 \\ \end{matrix} \right]=\left[ \begin{matrix} 1 & 0 \\ 0 & 1 \\ \end{matrix} \right]$ then $X$ is equal to
Difficulty: Easy
A: 

$\left[ \begin{matrix} 2 & 2 \\ 2 & 0 \\ \end{matrix} \right]$

B: 

$\left[ \begin{matrix} 0 & 2 \\ 2 & 2 \\ \end{matrix} \right]$

C: 

$\left[ \begin{matrix} 2 & 0 \\ 0 & 0 \\ \end{matrix} \right]$

D: 

$\left[ \begin{matrix} 2 & 2 \\ 0 & 2 \\ \end{matrix} \right]$