In the following reaction,assign the correct category for the underlined atom based on the product of complete hydrolysis at $R.T.$:
$\underline{Si}F_4 + 2H_2O \longrightarrow H_4SiO_4 + 4HF$

• 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.