Which compound is formed when phenyl propanoate is hydrolysed under acidic conditions?
C6H5CH2OHC_6H_5CH_2OHC6H5CH2OH
C6H5OHC_6H_5OHC6H5OH
C6H5COOHC_6H_5COOHC6H5COOH
CH3CH2CH2OHCH_3CH_2CH_2OHCH3CH2CH2OH