Write a Balanced Net Ionic Equation for the Reaction Below $\ell$

Write a balanced net ionic equation for the reaction below in an acidic solution.
Cr₂O₇^2-(aq) + Ni(s) ? Cr³⁺(aq) + Ni²⁺(aq)

A) Cr₂O₇^2-(aq) + 3 Ni(s) + 14 H⁺(aq) ? 2 Cr³⁺(aq) + 3 Ni²⁺(aq) + 7 H₂O( $\ell$ )
B) Cr₂O₇^2-(aq) + Ni(s) + 14 H⁺(aq) ? 2 Cr³⁺(aq) + Ni²⁺(aq) + 7 H₂O( $\ell$ ) .
C) Cr₂O₇^2-(aq) + 3 Ni(s) ? 2 Cr³⁺(aq) + 3 Ni²⁺(aq) + O^2-(aq)
D) Cr₂O₇^2-(aq) + Ni(s) + 14 H⁺(aq) ? 2 Cr³⁺(aq) + Ni²⁺(aq) + 7 H₂O( $\ell$ )
E) Cr₂O₇^2-(aq) + 3 Ni(s) + 7 H⁺(aq) ? 2 Cr³⁺(aq) + 3 Ni²⁺(aq) + 7 OH^-(aq)