On a Recent Flight, Two Men Who Had Obviously Overindulged

On a recent flight, two men who had obviously overindulged at the airport bar, began acting increasingly loudly and rudely on the airplane. The airline attendant went to them and told them to stay in their seats, be quiet, and informed them that she would not serve them anything alcoholic. Which form of control best describes this situation?

A) direct
B) disciplinary
C) bureaucratic
D) ideological