A 2-Week-Old Infant Presents with Vomiting, Lethargy, and Convulsions Without

A 2-week-old infant presents with vomiting, lethargy, and convulsions without evidence of an infectious process.Laboratory examination reveals hyperammonemia with alkalosis.Glutamine, citrulline, and arginine levels are found elevated in the blood.The enzyme that is most likely deficient in this patient is:

A) Arginase.
B) Carbamoyl-phosphate synthetase I.
C) Arginosuccinate lyase.
D) Ornithine transcarbamoylase.
E) Arginosuccinate synthetase.