Find the Vertical Asymptotes, If Any, of the Graph of the Rational

Multiple Choice

Find the vertical asymptotes, if any, of the graph of the rational function.
- $$f ( x ) = \frac { - 3 x ^ { 2 } } { x ^ { 2 } + 8 x - 48 }$$

A) $y = - 3$
B) $y = - 12 , y = 4$
C) $y = 0$
D) none