Is One Weekday Night Preferred in the College Dining Hall $\chi$

Is one weekday night preferred in the college dining hall. You would expect, by chance, an equal number of students in the dining hall each night. You collect data. Which $\chi$ ² test is most appropriate?

A) $\chi$ ² test for independence
B) goodness-of-fit
C) either descriptive alternative, depending on degrees of freedom
D) neither descriptive alternative, you should use a t test.