Factor the Trinomial Completely $- x ^ { 2 } - 8 x + 48$

Multiple Choice

Factor the trinomial completely. If the polynomial cannot be factored, write "prime."
- $- x ^ { 2 } - 8 x + 48$

A) $- 1 ( x - 12 ) ( x - 4 )$
B) $- 1 ( x - 12 ) ( x + 1 )$
C) $- 1 ( x - 12 ) ( x + 4 )$
D) $- 1 ( x + 12 ) ( x - 4 )$