The PM and the project team have completed

问题：

The PM and the project team have completed decomposition and have verified scope, when the marking department makes a minor change to the product functionality to improve its appeal to the end customer. The PM and the project team ______ .

A) refuses to accept the change since the scope has been verified
B) modifies the WBS and the decomposition
C) accepts the change and incorporates it into the WBS, modifying the budget and the schedule and assigning accountability to the marking team
D) proceeds per the change process