A manager informs you that a developer from another team is between assignments, and she wants to place the developer on your team for a few sprints. What should you do?

Explain to the manager that this will be disruptive to the team and ask that another assignment be found.
Explain the situation to the team and ask them to go with the flow.
Explain the situation to your manager and ask them to resolve it.
When the temporary developer shows up, assign them to write documentation.