In the following reaction,identify the nature of the product formed by the complete hydrolysis of the underlined atom at $R.T.$:
$\underline{Cl}_2O_7 + H_2O \to HClO_4$

• A
  If the product is an oxyacid with an $-ic$ suffix.
• B
  If the product is an oxyacid with an $-ous$ suffix.
• C
  If the products are two oxyacids,one with an $-ic$ suffix and the other with an $-ous$ suffix.
• D
  If the product is not an oxyacid,neither with an $-ic$ suffix nor with an $-ous$ suffix.