Which of the Following Reactions Could Be Used to Synthesize $\to$

Multiple Choice

Which of the following reactions could be used to synthesize ethyl acetate?

A) CH₃CH₂OH + (CH₃CO) ₂O + pyridine $\to$
B) CH₃CH₂OH + (CH₃CO) ₂O $\to$
C) CH₃CH₂OH + CH₃CO₂H + H₃O⁺ $\to$
D) Two of these choices.
E) All of these choices.