You have decided to apply Resource Leveling to a project due to a critical required resource being available only at certain times. Which of the following will likely be true?

A. Resource Leveling can often cause the original critical path to change.

B. Resource Leveling will over allocate resources to schedule the project before the deadline.

C. Resource Leveling will require additional resources to complete the project.

D. Resource Leveling will never alter the original critical path