在职申硕英语考试

根据网考网考试中心的统计分析，以下试题在2019/5/26日在职申硕英语考试习题练习中，答错率较高，为：45%
【单选题】What's the main idea of the passage


A．Americans would like informality.
B．Americans prefer to use nicknames to help build a closer relationship.
C．A nickname stands for a person's physical traits.
D．At work bosses will refer to their employees by their nicknames.