Leah wants to add some detail to the idea she expressed in sentence 10. Which of these sentences could best follow and support sentence 10? A It can be exhausting and draining. B In the first three hours of the school day, a student might be asked to solve a linear equation, analyze a scene from a play by Shakespeare, and memorize the parts of a cell. C Once I had to work on a set of math problems all afternoon, and by the end of the day, I was ready to take a long nap. D Some scientists believe that what we eat is related to our willingness and ability to work hard enough to achieve success.