Among the reactions (a) - (d) , the reaction(s) that does/do not...

Among the reactions $\left(a\right) - \left(d\right)$ , the reaction(s) that does/do not occur in the blast furnace during the extraction of iron is/are
$\left(\text{a}\right)\text{CaO}\text{+}{\text{SiO}}_{\text{2}} \to {\text{CaSiO}}_{3}$
\left(\text{b}\right)\text{3}{\text{Fe}}_{\text{2}} {\text{O}}_{\text{3}} \text{+}\text{CO} \to \text{2}{\text{Fe}}_{\text{3}} {\text{O}}_{\text{4}} \text{+}{\text{CO}}_{\text{2}}$<br /> \left(\text{c}\right)\text{FeO} + {\text{SiO}}_{\text{2}} \to {\text{FeSiO}}_{\text{3}}$
\left(\text{d}\right)\text{FeO} \to \text{Fe} + \dfrac{1}{2} {\text{O}}_{\text{2}}