Identify the Major Species Present in a 0

Identify the major species present in a 0.15 M solution of sodium monohydrogen phosphate, Na₂HPO₄.

A) Na⁺, PO₄^3-, H⁺, H₂O
B) Na₂HPO₄, H₂O
C) Na⁺, H₂PO₄^-, OH^-, H₂O
D) Na⁺, HPO₄^2-, H₂O
E) Na₂HPO₄, Na⁺, HPO₄^2-, H₂O