The second time you get asked about what to keep but the other two options are grayed out.
In this situation it is because the Windows 10 Insider build that was downloaded and installed was 14342.
As Windows Insiders if we get a build that is older than the one we are running then that means nothing can be retained as explained in the Microsoft Answers Community post here.
This is also likely an Insider testing situation and should not be an issue with the retail release of the tool.