Provide the conjugate acid-base pairs in the following balanced chemical reaction:
CH₃CH₂NH₂(aq) + H₂O(l) ⇋ CH₃CH₂NH₃⁺(aq) + OH⁻(aq)

• A. H₂O/CH₂NH₃⁺ and H₂O/CH₃CH₂NH₂
• B. H₂O/CH₂NH₃⁺ and OH⁻/CH₃CH₂NH₂
• C. H₂O/OH⁻ and CH₃CH₂NH₃⁺/CH₃CH₂NH₂
• D. H₂O/CH₃CH₂NH₂ and OH⁻/CH₂NH₃⁺

Answer: (C)