Benzoic acid is a carboxylic acid.
Palmitic acid is a carboxylic acid.
Aspartic acid is an amino acid.
Aniline is an aromatic hydrocarbon.
Benzoic acid (C6H5COOH) and palmitic acid (C15H31COOH) are carboxylic acids, while aniline (C6H5NH2) is aromatic hydrocarbon. However, aspartic acid is an amino acid.
Hence, option C is correct.