Subtract the Polynomials and Simplify $\begin{array}{rr}-3 u^{3}+2 u^{2} & +1 \\-\left(-9 u^{3}+5 u^{2}-3 u\right. & -5)\\\hline\end{array}$

Multiple Choice

Subtract the polynomials and simplify. $\begin{array}{rr}-3 u^{3}+2 u^{2} & +1 \\-\left(-9 u^{3}+5 u^{2}-3 u\right. & -5) \\\hline\end{array}$

A) $6 u ^ { 3 } - 3 u ^ { 2 } - 3 u + 6$
B) $6 u ^ { 3 } + 7 u ^ { 2 } - 3 u - 4$
C) $6 u ^ { 3 } - 3 u ^ { 2 } + 3 u + 6$
D) $- 12 u ^ { 3 } + 7 u ^ { 2 } - 3 u - 4$