I'm not convinced with the OA here
Two business school students, Maya and Darise, received teh same overall grade in only one of four classes. Each grade was on a scale of 1to 10.
From Which of the following statements can one determine whose average overall grade was higher?
A) Maya graduated at the top of her class
B) Maya's lowest grade was less than or equal to Darise's highest grade
C) Maya's highest grade and Darise's lowest grade were in the same class
D) Maya scored higher than Darise in two areas and neither girl scored lower than 5 in any class
E) Darise received a grade of 10 in three classes and Maya did not score higher than 8 in any class