In a diverse team, a "fault-line" refers to: a. Cases in which a team tends to find fault or blame in the other team members rather than their own behaviour b. Cases in which group members fall into two distinct, non-overlapping subgroups, usually based on demographic characteristics (such as male vice-presidents and female clerical workers) c. Cases in which group members make more extreme judgments of demographically dissimilar group members than is actually warranted d. Cases in which a homogenous group does not allow a diverse member to join the group