YouhaveacomputerthatrunsWindowsXP.Thecomputerhasonebasicdiskthatcontainsasingle partition.Thepartitionhas30GBoffreespace.Theharddiskhas5GBofunallocatedspace.YouneedtoinstallWindows7inadual-bootconfiguration.Windows7mustnotbeinstalledinavirtualharddisk(VHD).Whatshouldyoudofirst?（）
A.Createasecondpartition.
B.Shrinktheprimarypartition.
C.ConverttheharddisktoaGPTdisk.
D.Converttheharddisktoadynamicdisk.
参考答案：B
