题目内容：
根据下列材料，请回答题：questions 56 to 60 are based on the following passage.
What makes a group intelligent? You might think a group's IQ would t esimply the aveiage intelligence of the group's members, or perhaps the intelligence of the team's smartest participant, But researchers who study groups have found that this isn't so.
Rather, a group's intelligence emerges the interactions that go on Within the group. A teams intelligence can be measured, and like an individual's IQ scere, it can accurately predict the team's performance on a Wide variety of tasks. And just as an individual's intelligence is expandable, a group's intelligence can alsobe increased. Here are five suggestions on how to guide the developttment of smart teams:
Chose team members carefully, The smartest groups are composed of people who are good at reading one another's social cues, according to a study led by Carnegie Mellon University professor Anita Williams Woolley and published in the journal Science.
Talk about the “how”. Many members of teams don't like to spend time talking about “process”, preferring to get right down to work--but Woolley notes that groups who take the time to discuss how they Will Work together aice ultimately more efficient and effective.
share the floor: In the most intelligent teams, found Woolley, members take turns speaking Participants who dominate the discussion or who hang back and don't say much bring down, the
What do we learn about a group's IQ? A．It equals the total intelligence of the group members.
B．It determines the interactions among the group members.
C．It can help measure an individual's IQ score in the group.
D．It can help predict the group's performance on various tasks.
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