Your computer runs Microsoft Windows XP Professional. You share your computer with two other co-workers. 
You purchase a new computer. You install Microsoft Windows Vista on the new computer. 
You need to migrate the following content from the old computer to the new computer：
All system and program settings 
All users settings 
Only the content in the C：\Appdata folder 
Which tool should you use？ （）

A.Run the bootcfg.exe application with the /fastdetect option.
B.Perform a clean installation of Windows Vista on the first partition.
C.Run the msconfig.exe application and change the order of the operating systems in the boot.ini file.
D.Edit the boot.ini file. Add the following line： Multi（0）Disk（0）Rdisk（0）Partition（1）\Microsoft Windows

A.Create two partitions. Install Windows XP Professional on the first partition. Boot the computer from the Windows Vista DVD-ROM. Install Windows Vista on the second partition.
B.Create two partitions. Install Windows Vista on the first partition. Boot from the Windows XP Professional installation CD-ROM. Install Windows XP Professional on the second partition. 
C.Create one partition. Install Windows XP Professional on the partition. From Windows XP Professional launch the Windows Vista setup utility. Install Windows Vista in the same partition. 
D.Create two partitions. Install Windows XP Professional on the first partition. From Windows XP Professional launch the Windows Vista setup utility. Install Windows Vista on the second partition.

A.memory
B.processor
C.hard disk
D.video adapter