The answer is "d. a timetable".
A university-wide class schedule is an example of "a timetable".
A timetable is a sort of schedule that sets out occasions at which particular occasions are planned to happen.
In a school, college or university,, a timetable is a list that demonstrates the occasions in the week at which specific subjects are educated. You can likewise allude to the scope of subjects that a student learns or the classes that an educator instructs as their timetable.