It was a fixed bid project, the customer sales team kept adding new features each time they met the Project manager and team of the performing organization. The problem is the client finance did not accept those deliverables at close and refused to pay. What should the PM do?

A. Team should avoid scope creep from the customer B. Inform sponsor of the problem and request help C. Meet with the client and convince to pay for the project completely D. Ask the team to not include those features and do not tell anyone that they worked on it.