某个程序的两个模块，模块A实现设备的运行功能，模块B实现设备运行过程中实时监控设备状态数据的功能。则项目计划网络图中，模块A和模块B的依赖关系可表示为（ ）型。
- A.F-S
- B.F-F
- C.S-S
- D.S-F
正确答案及解析
正确答案
解析
本题考查的是前导图法。
结束-开始的关系（F-S型）：前序活动结束后，后续活动才能开始。
结束-结束的关系（F-F型）：前序活动结束后，后续活动才能结束。
开始-开始的关系（S-S型）：前序活动开始后，后续活动才能开始。
开始-结束的关系（S-F型）：前序活动开始后，后续活动才能结束。
题干中模块A运行，模块B在运行过程中实时监控设备状态，所以模块A开始，模块B才能开始。
故此题正确答案为C。
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