Add the Rational Expressions $\frac { 5 } { 2 x + 3 } + \frac { 2 } { 5 x + 3 }$

Multiple Choice

Add the rational expressions.Be sure to express your answer in simplest form. $\frac { 5 } { 2 x + 3 } + \frac { 2 } { 5 x + 3 }$

A) $\frac { 29 x + 21 } { ( 2 x - 3 ) ( 5 x + 3 ) }$
B) $\frac { 28 x + 21 } { ( 2 x + 3 ) ( 5 x + 3 ) }$
C) $\frac { 29 x - 21 } { ( 2 x + 3 ) ( 5 x + 3 ) }$
D) $\frac { 29 x + 21 } { ( 2 x + 3 ) ( 5 x + 3 ) }$