<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 3-week-old boy is brought to the physician for the evaluation of poor feeding and recurrent episodes of vomiting. He was delivered at term after an uncomplicated pregnancy. He is at the 5th percentile for length and weight. Physical examination shows generalized hypotonia. Urinalysis shows increased propionic acid concentration. The finding on urinalysis is best explained by the breakdown of which of the following substances?? A: Even-chain fatty acids, B: Hexose monosaccharides, C: Branched-chain amino acids, D: Catechol-containing monoamines, E: Bicyclic nitrogenous bases,  <response>: This is a medical question asking about the cause of increased propionic acid concentration in the urine of a 3-week-old infant with poor feeding, vomiting, and hypotonia. The key finding is increased propionic acid in the urine. Propionic acid is a short chain fatty acid that can be produced from the breakdown of certain substances. The choices list different types of biological molecules. I need to determine which of these molecules can break down to produce propionic acid.C: Branched-chain amino acids 