What is the Critical Path Threshold?

A.
the maximum amount of time a request can stay in a Workflow Step marked as Critical before a
notification is sent to the step owner
B.
the maximum amount of risk that a portfolio can sustain during Scenario Optimization
C.
the amount of slack specified as the threshold for identifying a task as part of the Critical Path
D.
the amount of time that a task may be delayed from its start without delaying the project