Find the Distance from the Pole to the Directrix for the Conic

Multiple Choice

Find the distance from the pole to the directrix for the conic $$r ( 16 + \sin \theta ) = 32$$

A) $\frac { 1 } { 16 }$
B) 32
C) 16
D) $\frac { 1 } { 32 }$
E) 8