A project manager launched a survey for future end users of a new product under development. The sponsor received the survey results and realized the needs are different than the features currently being developed.
The sponsor decided to cancel the project. Which of the following explains why the sponsor made this decision?

A. Constraint reprioritization needed to be carried out.
B. The cost of the changes would be more than planned.
C. The survey was not stated in the project management plan.
D. More than half of the project charter should be updated.