The solubility of silver bromide in hyposolution due to the formation of

• A

  ${\left[\mathrm{Ag}{\left({\mathrm{S}}_2{\mathrm{O}}_3\right)}_2\right]}^{-3}$

• B

  ${\mathrm{Ag}}_2{\mathrm{SO}}_3$

• C

  ${\left[\mathrm{Ag}\left({\mathrm{S}}_2{\mathrm{O}}_3\right)\right]}^{2-}$

• D

  ${\mathrm{Ag}}_2{\mathrm{S}}_2{\mathrm{O}}_3$