D. Ray rosenman is the answer
Their chemical breakdown begins in the stomach<span> and continues in the large intestine. Proteolytic enzymes, including trypsin and chymotrypsin, are secreted by the </span>pancreas<span> and cleave proteins into smaller peptides. Carboxypeptidase, which is a pancreatic brush border enzyme, splits one amino acid at a time.</span>
Socialization i think is the answer what are the options?