Identify the reagents needed for the following reaction:

• A. (1) Hg(OAc)₂, H₂O, and (2) NaOH
• B. (1) Hg(OAc)₂, H₂O, and (2) NaBH₄.
• C. (1) H₂O, and (2) NaBH₄.
• D. Hg(OAc)₂, H₂O

Answer: (B)