单项选择题

A.Instruct Katrin to select the desired input locale for either English or Spanish within Notepad
B.Instruct Katrin to select the input locale indicator on the taskbar and select either English or  Spanish.  
C.Instruct Katrin to use Regional Options in Control Panel to add input Locales and keyboard layouts/IME for both English and Spanish.
D.Create a Local Computer Policy for Katrins computer to include both English and Spanish.