Write a Polar Equation in R And $\theta$ $\theta$ Of an Ellipse with the Focus at the Origin, with Of an Ellipse

Write a polar equation in r and $\theta$ $\theta$ of an ellipse with the focus at the origin, with the eccentricity $0.2$ and vertex at $\left( 1 , \frac { \pi } { 2 } \right)$ .

A) $r = \frac { 6 } { 1 + \sin \theta }$
B) $r = \frac { 6 } { 5 - \cos \theta }$
C) $r = \frac { 1.2 } { 5 - \cos \theta }$
D) $r = \frac { 1.2 } { 1 - \cos \theta }$
E) $r = \frac { 6 } { 5 + \sin \theta }$