For the Reaction:
3 Sn²⁺(aq) + Cr₂O₇^2-(aq) + 14 H⁺(aq) $\rightarrow$

For the reaction:
3 Sn²⁺(aq) + Cr₂O₇^2-(aq) + 14 H⁺(aq) $\rightarrow$ 3 Sn⁴⁺(aq) + 2 Cr³⁺(aq) + 7 H₂O(l)
Which of the following statements is true?

A) Both Sn²⁺ and H⁺ are oxidizing agents.
B) Cr₂O₇^2- is the oxidizing agent.
C) Sn²⁺ is reduced.
D) The acid isn't important to the reaction.
E) None of the above are true.