Internet cookies are lost when upgrading from Windows 98 or Windows Me to Windows XP. What is the MOST likely cause？（）

A.Internet Explorer cookies from Windows 98 or Windows Me are incompatible with Windows XP

B.Internet Explorer 4x was installed prior to upgrading to Windows XP

C.Windows XP has a different user profile structure than Windows 98 or Windows Me and the upgrade process does not migrate cookies

D.Windows XP default Internet security option settings delete cookies during upgrades from Windows 98 or Windows Me