Give the Equation of the Horizontal Asymptote, If Any, of the Function

Multiple Choice

Give the equation of the horizontal asymptote, if any, of the function.
- $$f ( x ) = \frac { - x ^ { 2 } + 16 } { x ^ { 2 } + 5 x + 4 }$$

A) no horizontal asymptotes
B) $y = - 16$
C) $y = 0$
D) $y = - 1$