Use the Graph to Answer the Question $y = \pm 1$

Use the graph to answer the question.
-Find the horizontal and vertical asymptotes of the rational function graphed below.

A) Horizontal: $y = \pm 1$ ; vertical: $x = 3$
B) Horizontal: $y = 3$ ; vertical: $x = \pm 1$
C) Horizontal: none; vertical: $x = \pm 1$
D) Horizontal: $\mathrm { y } = 0$ ; vertical: $\mathrm { x } = \pm 1$