Which of the following is a request for change?

A.
The Executive feels that the project product may not be of sufficient quality in order to achieve
the expected benefits

B.
The Project Manager has been advised that a team member has been taken ill and so the end
date of the work will now be delayed by 5 days

C.
The supplier needs to amend a product because it does not conform to its quality criteria

D.
Although it has passed quality control, a user would like to suggest an increase in the durability
of a product