Gibbs energy vs T plot for the formation of oxides is given below. For the given diagram, the correct statement is-

A

At 600$$^\circ$$C, CO cannot reduce FeO

B

At 600$$^\circ$$C, CO can reduce ZnO

C

At 600$$^\circ$$C, C can reduce ZnO

D

At 600$$^\circ$$C, C can reduce FeO