对于业务流清晰的系统可以利用（）贯穿整个测试用例设计过程，在用例中综合使用各种测试方法，对于参数配置类的软件，要用（）选择较少的组合方式达到最佳效果，如果程序的功能说明中含有输入条件的组合情况，则一开始就可以选用（）和判定表驱动法。
果程序的功能说明中含有输入条件的组合情况，则一开始就可以选用（）和判定表驱动法。
A．等价类划分
B．因果图法
C．正交试验法
D．场景法
参考答案：B
| 完形填空。选择恰当的选项。 |
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