What Might the Relationship Be Between an Element's Ionization Energy

What might the relationship be between an element's ionization energy and its ability to behave as an oxidizing agent?

A) As the ionization energy increases, the ability of an element to act as an oxidizing agent increases.
B) As the ionization energy increases, the ability of an element to act as an oxidizing agent decreases.
C) As the ionization energy increases, the ability of an element to act as an oxidizing agent stays the same.
D) none of the above