If $a \neq b, \; b, \; c$ satisfy $\begin{vmatrix} a & 2b & 2c \\ 3 & b & c \\ 4 & a & b \end{vmatrix} = 0$ then $b^2$ is equal to :

Question

( A ) $a+b+c$
( B ) $ac$
( C ) $ad+bc$
( D ) $0$