Which of the Following Is NOT True About Larger Small

Which of the following is NOT true about larger small groups (15 or more members) ?

A) They can be difficult to coordinate.
B) Members can find it difficult to communicate efficiently with one another.
C) Larger groups tend to communicate more about their tasks than smaller groups.
D) Larger groups may find it necessary to divide their work, assigning specific tasks to pairs of people who can more easily coordinate their schedules.