A project is completed and all success criteria are met accordingly to quality control. However the project owners are dissatisfied with the

A project is completed and all success criteria are met accordingly to quality control. However the project owners are dissatisfied with the deliverables. Which of the following could have occurred?

a. deliverables failed to meet acceptance criteria

b. project manager failed to communicate a change in priorities effectively

c. changes that were accepted should have been rejected or vice versa

d. analysis of business value did not measure up to what was promised