在以下哪种情况下,你必须执行迁移,而不能升级安装(选择所有正确的选项)?()

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 Home Premium (x64) to Windows 7 Home Premium (x86)