Which sentence from "The Teamwork Trap" BEST supports the conclusion that groupthink can have negative results?
a. It often occurs when there is a persuasive leader with whom the other group members always want to agree
b. Furthermore, many people simply want to be agreeable so that they are accepted and liked by the group.
c. For instance, suppose no one wants to argue with the leader that their group essay is not
being written well, and so all students end up receiving a bad grade
d. Ultimately, a group needs to make a decision to value and listen to everyone's opinions in order to avoid groupthink.