Which of the following arguments is presented as a potential reason for changes in classroom norms in the reading "When Professors Offend Students: Classroom Norms Are Changing. Where's the Line and Who Decides?"
a. Over the last two decades, student demographics have become more diverse more quickly than faculty demographics.
b. Students of this era are eager to confront instructors who present views that they disagree with.
c. University inclusion and belonging priorities on campus conflict with faculty priorities to encourage robust debate in classrooms.
d. An environment where students can report biased incidents to university administration is inhospitable to faculty free speech.
e. All of the above