What Is the Relationship Between E° and the Equilibrium Constant,K $E^{\circ}=\frac{R T}{n F} \ln K$

What is the relationship between E° and the equilibrium constant,K?

A) $E^{\circ}=\frac{R T}{n F} \ln K$
B) $E^{\circ}=\frac{n F}{R T} \ln K$
C) E° = RT ln K
D) E° = ?RT ln K
E) $E^{\circ}=\frac{n F}{R T} \log K$