Which conclusion is most warranted, given the results of Clara Davis's study of food choices in infants?

Question

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Clara Davis's study, which allowed infants to choose their own diets from a wide variety of foods, showed that infants varied their selections over time in a way that seemed to meet their nutritional needs, even if those choices included foods that were not traditionally considered palatable for children. This suggests that infants can self-regulate their intake to obtain a balanced diet, supporting the conclusion that infants vary their food preferences to obtain different nutrients.

Which Conclusion Is Most Warranted, Given the Results of Clara