62. Identify the compound: C5H8O4: IR (cm-1): 2800-3300 (broad), 2950, 1740 13C NMR (8, splitting): 17.3 (q), 44.3 (s), 210.5 (s) A) HO2CC(CH3)2CO2H B) CH3O2CCH2CO2CH3 C) HO2CCH2CH2CH2CO2H D) CH3O2CCH2CH2CO2H E) CH3O2CCO2CH2CH3

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