Find the Eccentricity of the Conic $$r = \frac { 5 } { 8 - 5 \sin \theta }$$

Multiple Choice

Find the eccentricity of the conic.
$$r = \frac { 5 } { 8 - 5 \sin \theta }$$

A) $e = \frac { 8 } { 5 }$
B) $e = 8$
C) $e = \frac { 5 } { 8 }$
D) $e = - 5$
E) $e = 5$