The AOA Network Described by This Table Needs A)Zero Dummy Activities

Multiple Choice

The AOA network described by this table needs: $$\begin{array} { | l | l | } \hline \text { Activity } & \text { Predecessor } \\\hline\mathrm {A } & - - \\\hline\mathrm { B} & - - \\\hline \mathrm { C } & \text { A, B } \\\hline \mathrm { D } & \mathrm { B } \\\hline \mathrm { E } & \mathrm { C } , \mathrm { D } \\ \hline\end{array}$$

A) Zero dummy activities.
B) One dummy activity.
C) Two dummy activities.
D) Three dummy activities.