Shopping in Groups, Even in Small Groups of Two or Three

Shopping in groups, even in small groups of two or three people, results in purchase patterns which differ from that of the lone shopper. Which of these statements about group shopping is NOT true:

A) more purchases are made overall in group shopping
B) more unplanned purchases are made in group shopping
C) groups tend to decrease decision polarization
D) groups are exposed to more products by pooling information with the group
E) groups do more browsing and cover more areas of the store than lone shoppers