OS X Lion and the applications written for the PowerPC

If a customer upgrades their Mac to OS X Lion, then attempts to run an application written for the PowerPC processor, what happens?
A. They will be prompted to install Rosetta to run the application.
B. The application will not launch, and no dialogs or warnings are displayed.
C. The “Please reinstall Snow Leopard in order to run this application” dialog box will appear.
D. A “You can’t open the application because PowerPC applications are no longer supported.” warning will appear.
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