Interpreting Limits and Asymptotes

© $\lim_{x \to -3^-} k(x) = 7$ and $\lim_{x \to +\infty} k(x) = -3$

(B) $\lim_{x \to -3^-} k(x) = -\infty$

(D) $\lim_{x \to -\infty} k(x) = 7$

(A) $\lim_{x \to -3^-} k(x) = +\infty$ and $\lim_{x \to +\infty} k(x) = 7$