Which Situation Is an Example of Organizational Culture

Which situation is an example of organizational culture?

A) Every Friday the administrator allows everyone to wear crazy hats while on the units.
B) The cafeteria opens at 7:00 a.m. for breakfast, 11:00 a.m. for lunch, and 5:00 p.m. for dinner.
C) The administration has set the time clock to count staff late if clocking in 7 minutes after the shift starts.
D) ICU nurses know to take turns covering each other's clients to facilitate eating breakfast and lunch on the day shift.