[单选题]
What are the respective oxidation stwt8 a3s k + u.5y ursn1kgy8vl):4okctates of sulfur in the followin0 )i)(fqlco gzg sulfur-containing specg (lf c)0i)zoqies?
$SO_3^{2-}, H_2SO_4, S_8, S_2O_3^{2-}$
A. 6, 4, 0, 2
B. 4, 6, 0, 2
C. 2, 6, 0, 4
D. 4, 6, 2, 0