In Simultaneous Decision-Making Situations,common Knowledge Means That

In simultaneous decision-making situations,common knowledge means that

A) at least one of the decision makers knows what is going to happen.
B) all of the decision makers know what the outcome of the decision will be.
C) even people not involved in making the decision will be able predict the outcome.
D) the managers of the firms failed to keep all of the information about their decision plans secret.
E) none of the above