var requestedQuestionnaire = _context.Questionnaires
                .FirstOrDefault(x => x.Id == Id);

foreach(var option in requestedQuestionnaire.Options)
{
  // do some stuff
}

var requestedQuestionnaire = _context.Questionnaires
                .FirstOrDefault(x => x.Id == Id);

foreach(var option in requestedQuestionnaire.Options)
{
  // do some stuff
}

<ItemGroup>
    <None Include="E:\Praca\D_BaseTests\TestProject2\Assets\Scripts\*.cs">
      <Link>TestFolder\%(RecursiveDir)%(FileName)%(Extension)</Link>
      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
    </None>
  </ItemGroup>

<ItemGroup>
    <None Include="E:\Praca\D_BaseTests\TestProject2\Assets\Scripts\*.cs">
      <Link>TestFolder\%(RecursiveDir)%(FileName)%(Extension)</Link>
      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
    </None>
  </ItemGroup>