Which Response contains all of the following that are oxidat

Which Response contains all of the following that are oxidation-reduction reactions and no others? I. PCl3(l) + 3H2O(l) -- 3HCl(aq) + H3POc(aq) II. Fe2O3(s) + 3CO(g) -- 2Fe(s) + 3CO2(g) III. CaCO3(s) + 2HClO3(aq) -- Ca(ClO3)2(aq) + CO2(g) + H2O(l) a. I b. II c. III d. II and III e. I and II