Which One of the Following Reactions Shows the Bacterial Conversion $\to$

Which one of the following reactions shows the bacterial conversion of methanol to methane?

A) 2 CH₃OH $\to$ CH₄ + CO + H₂O + H₂
B) 2 CH₃OH $\to$ 2 CH₄ + O₂
C) 4 CH₃OH $\to$ 3 CH₄ + CO₂ + 2 H₂O
D) CH₃OH + 2 CH₃SH $\to$ 2 CH₄ + CS₂ + H₂O
E) 2 CH₃OH + S $\to$ CH₄ + H₂S + H₂O