2. A 0.8715 g sample of sorbic acid, a compound first obtained from the berries of a certain ash tree, is burned completely in oxygen to give 2.053 g of carbon dioxide and 0.5601 g of water. The empirical formula of sorbic acid is (A)CH₂O (B).C₃H₄O(C)CH₄O₃ (D)C₃H₄O₂(E)CH₄O₂