Frank is the project manager of a construction project.

This is an example of fast tracking. Fast tracking allows phases to overlap in order to compress the project schedule.

Answer option D is incorrect. Crashing adds labor to the project in order to complete effort-driven activities in less time.

Answer option B is incorrect. The lead time allows individual activities to overlap, not entire phases.

Answer option A is incorrect. Resource leveling heuristics are rules that limit the amount of time a labor resource may contribute to the project in a given time period.