At the Beginning of a Brainstorming Session, the Manager Lists

Multiple Choice

At the beginning of a brainstorming session, the manager lists the rules to be followed. Which rule should be included and enforced?

A) Do not suggest any solution that is prohibitively expensive.
B) Suggest only ideas that the group has not already tried.
C) Do not critique any ideas presented.
D) Limit the session to the first 15 ideas.