Use the Given Row Transformation to Change the Matrix as Indicated

Use the given row transformation to change the matrix as indicated.
- $\left[ \begin{array} { r r r } 2 & 1 & 4 \\ - 4 & 3 & - 1 \\ 7 & 4 & 0 \end{array} \right] ; 2$ times row 1 added to row 2

A)
$\left[ \begin{array} { l l l } 2 & 1 & 4 \\ 0 & 5 & 7 \\ 7 & 4 & 0 \end{array} \right]$

B)
$\left[ \begin{array} { r r r } 2 & 1 & 4 \\ - 4 & 3 & - 1 \\ 11 & 6 & 8 \end{array} \right]$

C)
$\left[\begin{array}{lll}2 & 1 & 4 \\0 & 3 & 7 \\7 & 4 & 0\end{array}\right]$
D)
$\left[\begin{array}{lll}4 & 2 & 8 \\0 & 5 & 7 \\7 & 4 & 0\end{array}\right]$