某公司开发一个文档编辑器，该编辑器允许在文档中直接嵌入图形对象，但开销很大。用户在系统设计之初提出编辑器在打开文档时必须十分迅速，可以暂时不显示当前页面以外的图形。针对这种需求，公司可以采用（）避免同时创建这些图形对象。
- A.代理模式
- B.外观模式
- C.桥接模式
- D.组合模式
正确答案及解析
正确答案
解析
根据题干描述，该编辑器需要在文档中嵌入显示开销很大的图形对象，为了能够提高系统效率，需要避免同时创建这些图像。针对这些要求，对比候选项，可以发现代理模式可以解决直接访问对象时带来的问题，例如，要访问的对象在远程的机器上；对象创建开销很大，或者某些操作需要安全控制，或者需要进程外的访问等。因此代理模式是最为合适的设计模式。
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