为图形用户界面（GUI）组件定义不同平台的并行类层次结构，适合采用（ ）模式。
- A.享元（Flyweight）
- B.抽象工厂（Abstract Factory）
- C.外观（Facade）
- D.装饰器（Decorator）
正确答案及解析
正确答案
解析
外观模式为子系统中的一组接口提供一个一致的界面，外观模式通过提供一个高层接口，隔离了外部系统与子系统间复杂的交互过程，使得复杂系统的子系统更易使用
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