Your administrative user account is a member of the Enterprise Admins group in your company's Active Directory forest. The forest contains a forest root domain and one child domain. The functional level of the forest is set to Windows Server 2003.

Your company has acquired a new subsidiary. The system administrators for the subsidiary have deployed a Windows NT 4.0 domain. You need to allow employees of the subsidiary to use shared folders on a file server that is joined to the child domain in your forest.

Which type of trust should you create in your forest to support this scenario?

A. An incoming external trust
B. An outgoing shortcut trust
C. An outgoing external trust
D. An incoming cross-forest trust