A project manager is assigned to a project with a long time line and complex scope. The client requires a high-level, long-term plan as well as something that will work immediately, adding features…

Planning the project with a predictive approach, including a Work Breakdown Structure (WBS), provides the necessary high-level, long-term structure. Combining this with an iterative or agile execution enables the delivery of immediate working features and progressive additions as the project unfolds, effectively meeting both client requirements.

This choice is truncated but implies a solely predictive approach, which would not effectively meet the client's need for immediate working features and progressive additions.

Agreeing on a Minimum Viable Product (MVP) focuses on immediate delivery but does not explicitly address the client's requirement for a high-level, long-term plan for the entire complex scope.

While an agile approach delivers value incrementally, it might not explicitly provide the traditional 'high-level, long-term plan' upfront that the client also requested, making a pure agile approach less ideal than a hybrid one in this specific scenario.