Which of the Following Acid-Base Reactions Should Go More or Less

Which of the following acid-base reactions should go more or less to completion?

A) HClO₄(aq) + OCl^-(aq) ClO₄^-(aq) + HOCl(aq)
B) HF(aq) + I^-(aq) HI(aq) + F^-(aq)
C) H₂SO₃(aq) + SO₄^2-(aq) H₂SO₄(aq) + SO₃^2-(aq)
D) H₂S(aq) + 2 Cl^-(aq) S^2-(aq) + 2 HCl(aq)
E) All of these reactions would go to completion, giving high yields of products.