Yun is using PERT$/$CPM to help her manage a project. All activities in this project have multiple interdependencies. The earliest start times for each activity with preceding activities:

A$)$ Will be the largest finish time among preceding activities for each activity

B$)$ Can be shortened by beginning prior activities sooner if they have multiple interdependencies

C$)$ Can be calculated by starting from the last node and working backward

D$)$ Can be calculated by using the smallest value start time for all activities leaving an activity

E$)$ None of the above