# Standard reduction electrode potentials of three metals $A, \;B$ and $C$ are $+0.5 V, \; -3.0 V$ and $-1.2V$ respectively. The reducing power of these metals are:
( A ) $C > B > A$
( B ) $A > C > B$
( C ) $B > C > A$
( D ) $A > B > C$