Which statement is true with regard to project scheduling?

A.
Scheduling in plan-based processes does not change with the progress of the project.
B.
Plan-based processes use an iterative approach for scheduling each phase of the project.
C.
Scheduling in an agile process involves planning the sho_rt-term phases of a project.
D.
Agile processes require less detail than plan-based processes do in an initial project schedule.