A Good Guideline to Follow When Trying to Improve Brainstorming

A good guideline to follow when trying to improve brainstorming within a team is to:

A) foster an atmosphere of tranquility and ensure minimal changes to the environment.
B) insulate the team from outside influences to help them focus on the task at hand.
C) add more diversity to the group to increase creative abrasion.
D) encourage interpersonal abrasion in order to generate creative conflict.