I believe that the best answer among the choices provided by the question is <span>B. By giving the student extra credit if the student also enrolls in the equivalent course</span> Hope my answer would be a great help for you. If you have more questions feel free to ask here at Brainly.
You study the information from the site with other sites,books and even dictionaries,you can even use the wikipedia (not for everything but for most things).
