Final answer:
Project management offices (PMOs) are centralized units within an organization or department that oversee or improve the management of projects.
Step-by-step explanation:
The correct answer is A) Project management offices. Project management offices (PMOs) are centralized units within an organization or department that oversee or improve the management of projects. They provide support, guidance, and resources to project teams, ensuring that projects are executed effectively and efficiently. PMOs play a crucial role in standardizing project management practices, ensuring consistency across projects, and promoting successful project delivery.