How Does Working in Groups Affect the Use of Heuristics

How does working in groups affect the use of heuristics in information-processing?

A) If the individuals who comprise the group are prone to rely on a particular heuristic,the group will be even less likely to use this heuristic.
B) If the individuals who comprise the group are prone to rely on a particular heuristic,the group will be even more likely to use this heuristic.
C) Regardless of the information-processing propensities of individual group members,groups are less likely than individuals to rely on heuristics.
D) Regardless of the information-processing propensities of individual group members,groups are more likely than individuals to rely on heuristics.