John,George,Paul,and Richard Are Air Traffic Controllers

John,George,Paul,and Richard are air traffic controllers.They encounter a stressful,anxious situation in which two planes might soon collide.Which condition would most encourage this group of air traffic controllers to display groupthink when pondering their next step?

A) A majority decision is more acceptable than a unanimous decision.
B) There are systematic procedures in place to handle such situations.
C) None of them is considered to be a supervisor of any of the others.
D) They are a cohesive group.