At IBM,the MDX Group Is at a Crossroad About How

At IBM,the MDX group is at a crossroad about how to market a new software package.Judy Ramsby,the head of the group,has told the group of managers that "it is up to the group.As long as they don't violate company policy,the decisions are up to them." Which of the following leadership styles is Judy Ramsby is practising?

A) free rein
B) open door
C) open alternative
D) autocratic