Which of the following statement related to PMO is not correct?  （  ）
A. The specific form, function, and structure of a PMO is dependent upon the needs of the organization that it supports.
B. One of the key features of a PMO is managing shared resources across all projects administered by the PMO.
C. The PMO focuses on the specified project objectives.
D. The PMO optimizes the use of shared organizational resources across all projects.