For matrices $X$ and $Y$,if $X+Y = \begin{bmatrix} 7 & 0 \\ 2 & 5 \end{bmatrix}$ and $X-Y = \begin{bmatrix} 3 & 0 \\ 0 & 3 \end{bmatrix}$,then $2X =$ . . . . . .
- A$\begin{bmatrix} 10 & 0 \\ 2 & 8 \end{bmatrix}$
- B$\begin{bmatrix} 4 & 0 \\ 2 & 2 \end{bmatrix}$
- C$\begin{bmatrix} 5 & 0 \\ 1 & 4 \end{bmatrix}$
- D$\begin{bmatrix} 2 & 0 \\ 1 & 1 \end{bmatrix}$
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