Simplify the Rational Expression $$\frac { 4 x - 8 } { x ^ { 2 } - 5 x + 6 }$$

Multiple Choice

Simplify the rational expression. If the rational expression cannot be simplified, so state.
- $$\frac { 4 x - 8 } { x ^ { 2 } - 5 x + 6 }$$

A) $\frac { 4 } { x + 3 }$
B) cannot be simplified
C) $\frac { 4 ( x - 8 ) } { x + 3 }$
D) $\frac { 4 } { x - 3 }$