Simplify the Rational Expression $$\frac { x ^ { 2 } + 6 x + 4 } { x ^ { 2 } + 7 x + 12 }$$

Multiple Choice

Simplify the rational expression. If the rational expression cannot be simplified, so state.
- $$\frac { x ^ { 2 } + 6 x + 4 } { x ^ { 2 } + 7 x + 12 }$$

A) $x + 2$
B) $\frac { x + 2 } { x + 3 }$
C) $\frac { x + 2 } { x + 4 }$
D) cannot be simplified