The software structure is an expression of the relationship among software modules.In the following phrases, which are NOT the relations among software modules? (2 Points)Ⅰ.calling relationⅡ.belonging relationⅢ.Execution relationⅣ.process relation
- AⅠ and Ⅱ
- BⅡ and Ⅲ
- CⅢ and Ⅳ
- Dnone