You Are Told That Metal X Is a Better Reducing

You are told that metal X is a better reducing agent than metal Y.This must mean that:

A) X⁺ is a better oxidizing agent than Y⁺.
B) X⁺ is a better reducing agent than Y⁺.
C) Y is a better oxidizing agent than X.
D) Y⁺ is a better reducing agent than X⁺.
E) Y⁺ is a better oxidizing agent than X⁺.