Post-mortem analysis of a project shows a CPI of 0.8 and an SPI of 1.25. What is a plausible explanation for that?

A. The project has evidently been finished over budget and ahead of schedule. B. The project has produced additional deliverables which were originally not required. C. The project has evidently been finished under budget and behind of schedule. D. The project was terminated early. At that time, it was over budget and ahead of schedule.