在UML中，（ ）由一组对象或参与者以及它们之间可能发送的消息构成。强调消息的时间次序的交互图。
- A.包图
- B.顺序图
- C.组合结构图
- D.通信图
正确答案及解析
正确答案
解析
组合结构图用于画出结构化类的内部内容。顺序图由一组对象或参与者以及它们之间可能发送的消息构成。强调消息的时间次序的交互图。通信图强调收发消息的对象或参与者的结构组织。强调的是对象之间的组织结构（关系）。
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