Add or Subtract as Indicated $\begin{array}{r}-4 z^{2}-2 z-6 \\ -9 z^{2}+5 z-10 \\ \hline\end{array}$

Multiple Choice

Add or subtract as indicated.
-Subtract.
$\begin{array}{r}-4 z^{2}-2 z-6 \\ -9 z^{2}+5 z-10 \\ \hline\end{array}$

A) $-13 z^{2}+3 z-16$
B) $5 z^{2}-7 z+4$
C) $13 z^{2}-3 z+16$
D) $-5 z^{2}+7 z-4$