Explanation
The project manager should review the project's environment to understand the organizational culture, because this is part of the plan stakeholder engagement process, which involves identifying the stakeholders, their needs, expectations, interests, and potential impact on the project, and developing appropriate strategies to effectively engage them. The project manager should also use the manage stakeholder engagement process to communicate and collaborate with the stakeholders, and address their issues and concerns.
The other options are not correct because:
A: Conduct a backlog refinement and identify the key activity to start with. This is not the next step, because the project manager should first review the project's environment and the stakeholder's expectations before refining the backlog and prioritizing the activities. Moreover, the backlog refinement is an agile technique that may not be applicable to all projects.
B: Compare the team's expertise against the project requirements. This is not the next step, because the project manager should first review the project's environment and the stakeholder's expectations before assessing the team's expertise and identifying any gaps or risks. Moreover, the team's expertise should have been considered during the acquire resources process, which involves obtaining the necessary human and physical resources for the project.
C: Perform integration management activities to consolidate the plans. This is not the next step, because the project manager should first review the project's environment and the stakeholder's expectations before performing integration management activities, which involve developing, directing, and managing the project work, and ensuring alignment and consistency among the project plans.
The references are:
1: PMP Examination Content Outline - June 2019 - Project Management Institute 2: 180 PMP Practice Questions (2021 Edition) - Academia.edu : A Guide to the Project Management Body of Knowledge (PMBOK Guide) - Sixth Edition, Chapter 13: Project Stakeholder Management : A Guide to the Project Management Body of Knowledge (PMBOK Guide) - Sixth Edition, Chapter 4: Project Integration Management : A Guide to the Project Management Body of Knowledge (PMBOK Guide) - Sixth Edition, Chapter 9: Project Resource Management