For the Transformation Shown, Select the Most Appropriate Reagent(s) to Effect

For the transformation shown, select the most appropriate reagent(s) to effect the change.

A) 1) OsO₄; 2) NaHSO₃, H₂O
B) 1) Hg(OAc) ₂, H₂O; 2) NaBH₄
C) H₂, Pt
D) 1) BH₃∙THF; 2) H₂O₂, NaOH
E) 1) O₃; 2) DMS