If $A = \begin{bmatrix}0 & 2 \\ 3 & - 4 \end{bmatrix}, \; hA = \begin{bmatrix} 0 & 3a \\ 2b & 24 \end{bmatrix}$, then the value of $h, \;a,\;b$ are respectively :

Question

( A ) $-6, -12, -18$
( B ) $-6, 4, 9$
( C ) $-6, -4,-9$
( D ) $-6, +12, 18$