In the following reaction sequence in aqueous solution, the species X,Y and Z, respectively
`S_(2)O_(3)^(2-)overset(Ag^(+))(rarr)underset("clear solution")(X)overset(Ag^(+))(rarr)underset("white precipitate")(Y)overset("withtime")(rarr)underset(" black precipitate")(Z)`
A. `[Ag(S_(2)O_(3))_(2)]^(3-), Ag_(2)S_(2)O_(3),Ag_(2)S`
B. `[Ag(S_(2)O_(3))_(3)]^(5-), Ag_(2)SO_(3),Ag_(2)S`
C. `[Ag(SO_(3))_(2)]^(3-),Ag_(2)S_(2)O_(3),Ag`
D. `[Ag(SO_(3))_(3)]^(3-), Ag_(2)SO_(4),Ag`
