Factor Out the Indicated Quantity $- 4 m n ^ { 3 } + 5 m n - 9 m$

Multiple Choice

Factor out the indicated quantity. $- 4 m n ^ { 3 } + 5 m n - 9 m$ : Factor out the quantity $- m$ .

A) $- m \left( - 4 n ^ { 3 } + 5 n - 9 \right)$
B) $- m \left( 4 n ^ { 3 } - 5 n + 9 m \right)$
C) $- m \left( 4 n ^ { 3 } - 5 n + 9 \right)$
D) $- m \left( 4 n ^ { 3 } - 5 n - 9 \right)$