阅读理解。阅读下列短文, 从给的四个选项 (A、B、C和D) 中, 选出最佳选项。
Having a great teacher can be life－changing. Mr. Goodney, my 9th grade Advanced English teacher, pushed me in ways I hadn’t been pushed in the classroom previously. He didn’t grade me compared to my classmates；he graded us on a personal grading scale.
