Your computer hardware supports Microsoft Windows Aero Experience. The transparency feature does not appear to be enabled. You need to use the transparency feature.  What are the two possible ways to achieve this goal？ （）

• A、Configure theme settings to Windows Vista.
• B、Increase the screen resolution to 1024 x 768 pixels or higher.
• C、Change the Color scheme option to Windows Aero.
• D、Change the Visual effects option to Let Windows choose whats best for my computer