Take a look at the graph. Which of the following statements is
true?

A. Tenth-grade students have a greater selection for all types of books.

B. Ninth-Grade students have a greater selection of mysteries and biographies to choose from than tenth-grade students.

C.Ninth-Grade students have a smaller selection of humor and biography books to choose from than tenth-grade students.

D. Mystery books offer the greatest selection for both grades.