In which pair of ions both the species contain S−S bond?

Question

In which pair of ions both the species contain $\require{mhchem}\ce{S-S}$ bond?

(a) $\ce{S4O6^{2-},\ S2O3^{2-}}$

(b) $\ce{S2O7 ,\ S2O8^{2-},}$

(c) $\ce{S4O6^{2-},\ S2O7^{2-}}$

(d) $\ce{S2O7^{2-},\ S2O3^{2-}}$