多項(xiàng)選擇題

在以下哪種情況下,你必須執(zhí)行遷移,而不能升級(jí)安裝?()

A.Windows XP Professional(x64) to Windows 7 Professional(x64)
B.Windows Vista Business(x86) to Windows 7 Professional(x64)
C.Windows Vista Enterprise(x64) to Windows 7 Enterprise(x64)
D.Windows Vista HomePremium(x64) to Windows 7 Home Premium(x86)

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