Simplify the Radical Expression $$- \sqrt [ 3 ] { - 27 x ^ { 3 } }$$

Multiple Choice

Simplify the radical expression. Assume all variables represent nonnegative real numbers.
- $$- \sqrt [ 3 ] { - 27 x ^ { 3 } }$$

A) -27x
B) 3x
C) $$3 x ^ { 3 }$$
D) -3x