Find the Equation of the Directrix of the Conic $r = \frac { 14 } { 7 + \sin \theta }$

Multiple Choice

Find the equation of the directrix of the conic. $r = \frac { 14 } { 7 + \sin \theta }$

A) $x = 7$
B) $x = - 7$
C) $x = 2$
D) $y = - 14$
E) $y = 14$