What Is the Early Start Time for Activity D Given

Multiple Choice

What is the early start time for Activity D given the activity times and precedence requirements shown in the table? $$\begin{array} { | l | l | l | } \hline \text { Activity } & \text { Time } & \text { Predecessor } \\\hline \text { A } & 5 & - - \\\hline B & 6 & \text { A } \\\hline \mathrm { C } & 4 & \text { A } \\\hline \mathrm { D } & 5 & \mathrm {~B} , \mathrm { C } \\\hline\end{array}$$

A) 7
B) 9
C) 11
D) 13