One team member informed the project manager that key users from the system development project are unhappy. Key users are arguing that some key system functionalities should be included in the product scope. The project manager remembers that the customer decided not to include these functionalities in the product scope. What should the project manager do FIRST?

A. Ask the stakeholders for a document describing the functionalities.

B. Discuss the issue in the next status meeting with the customer.

C. Remind the customer that the product scope does not include the functionalities.

D. Discuss the issue with the stakeholders.