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) $\ce{S2O7^{2-},\ S2O3^{2-}}$
(a) $\ce{S4O6^{2-},\ S2O3^{2-}}$
(b) $\ce{S2O7 ,\ S2O8^{2-},}$
(c) $\ce{S4O6^{2-},\ S2O7^{2-}}$
(d) $\ce{S2O7^{2-},\ S2O3^{2-}}$