You have an Active Directory domain. All user accounts in the domain contain a custom attribute named Language. The Language attribute is set to either French or English. You have a web application that contains a site in English. You enable the variations to create a French version of the site. You need to ensure that users are automatically redirected to the site that corresponds to the Language attribute of the user account.

Which file should you modify?

A.
RegionalSettingsPushDownTo.asx

B.
VariationsControlFlag.xml

C.
VariationRootLanding.ascx

D.
Web.config