单项选择题

A. On Server1, run setup.exe from the Windows Server 2012 R2 installation media and select Server with a GUI.
B. Start Server1 from the Windows Server 2012 R2 installation media and select Server Core Installation.When the installation is complete, add the Server Graphical Shell feature.
C. Start Server1 from the Windows Server 2012 R2 installation media and select Server with a GUI.
D. On Server1, run setup.exe from the Windows Server 2012 R2 installation media and select Server Core Installation.When the installation is complete, add the Server Graphical Shell feature