Which of the Following Students Provides the Best Summary of the Relationship

Which of the following students provides the best summary of the relationship between expertise and top-down/bottom-up processing?

A) Carrie: "Expert problem solvers tend to emphasize top-down processing because this framework provides the best overview of the problem."
B) María Elena: "Expert problem solvers use their knowledge (top-down processing) ,but they also attend to the unique features of the problem (bottom-up processing) ."
C) Raoul: "The basic problem is that experts consistently overuse bottom-up processing,and they ignore top-down processing."
D) Herbie: "Experts make too much use of bottom-up processing; novices make too much use of top-down processing."