单项选择题

A.Delete the outgoing forest trust in the contoso.com domain.
B.Delete the incoming forest trust in the contoso.com domain.
C.Change the properties of the existing incoming forest trust in the contoso.com domain from  Forest-wide authentication to Selective authentication.
D.Change the properties of the existing outgoing forest trust in the contoso.com domain to Exclude  *.eng.fabrikam.com from the Name Suffix Routing trust properties