When 3-methyl-2-pentene is treated with mercuric acetate, Hg(O2CCH302, in a THF-ethanol mixture and the resulting product reacted with NaBH4 in basic solution, the principal product formed is which of these? A) 3-methyl-3-pentanol B) 3-ethoxy-3-methlpentane C) 3-methyl-2-pentanol D) 2-ethoxy-3-methylpentane E) 1-ethoxy-3-methylpentane