Answer:
c. Daria is probably exhibiting normal cognitive egocentrism because she cannot fully understand the needs of another person yet.
Explanation:
This is the knowledge that would most help Sam address the needs of his two children. Based on the research that exists of preschoolers cognitive developement, Daria is probably exhibiting normal cognitive egocentrism. Children at this age are not fully able to understand the needs of another person yet.