【单选题】

You are the project manager of Alpha Network Inc．Your company is doing network planning for a major bank．You are planning to digram the activity dependancies using activity list．Which of the following is true
A．PDM is also the AOA diagramming metho

B．PDM is also the AOD digramming metho
C．PDM is also AON digramming metho
D．PDM is also ADM diagramming metho