<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A research group wants to assess the relationship between childhood diet and cardiovascular disease in adulthood. A prospective cohort study of 500 children between 10 to 15 years of age is conducted in which the participants diets are recorded for 1 year and then the patients are assessed 20 years later for the presence of cardiovascular disease. A statistically significant association is found between childhood consumption of vegetables and decreased risk of hyperlipidemia and exercise tolerance. When these findings are submitted to a scientific journal, a peer reviewer comments that the researchers did not discuss the studys validity. Which of the following additional analyses would most likely address the concerns about this studys design?? A: Blinding, B: Crossover, C: Matching, D: Stratification, E: Randomization,  <response>: This is a question about assessing the validity of a prospective cohort study. The study found an association between childhood diet and cardiovascular disease in adulthood. The peer reviewer is concerned that the researchers did not discuss the validity of the study design. To address concerns about validity in a prospective cohort study, we need to consider potential confounding factors that could influence the results. The additional analysis suggested should help control for confounding.D: Stratification 