In the following reaction,identify the nature of the product formed by the complete hydrolysis of the underlined atom at $R.T.$:
$H_2\underset{-}{S}_2O_7 + H_2O \longrightarrow 2H_2SO_4$

• A
  If product is an oxy acid with $-ic$ suffix
• B
  If product is an oxy acid with $-ous$ suffix
• C
  If product are two oxy acids,one with $-ic$ suffix and the other with $-ous$ suffix
• D
  If product is not an oxy acid,neither with $-ic$ suffix nor with $-ous$ suffix