Perform the Indicated Operation and Simplify If Possible $\frac { 7 a } { a ^ { 2 } + 5 a + 4 } - \frac { 2 } { a + 4 }$

Multiple Choice

Perform the indicated operation and simplify if possible.
- $\frac { 7 a } { a ^ { 2 } + 5 a + 4 } - \frac { 2 } { a + 4 }$

A) $\frac { 5 a - 2 } { ( a + 1 ) ( a + 4 ) }$
B) $\frac { 5 a + 2 } { ( a - 1 ) ( a + 4 ) }$
C) $\frac { 5 a - 2 } { ( a - 1 ) ( a + 4 ) }$
D) $\frac { 5 a + 2 } { ( a + 1 ) ( a + 4 ) }$