Which of the following statements is true regarding schedule variances?

A.
Schedule variances never impact the schedule.

B.
Schedule variances sometimes impact the schedule.

C.
Schedule variances impact scope, which impacts the schedule.

D.
Schedule variances always impact the schedule.

Explanation:
Schedule variances will sometimes-but not always-impact the schedule. Changes to non-critical path tasks will not likely impact the schedule, but changes to critical path tasks will always impact the schedule.