After Repeated Simulated Testing, a Stepper Motor Drive Was Considered

Multiple Choice

After repeated simulated testing, a stepper motor drive was considered fully functional in every aspect. At this point:

A) the drive should be tested under actual conditions.
B) simulated testing should be continued until failure results. Then document failure and decide if it is acceptable or unacceptable.
C) unusual or extraordinary conditions should be developed and tested on the drive.
D) the drive is ready for quality testing and prototyping.