Your network contains two Active Directory forests named contoso.com and nwtraders.com. A two-way forest trust exists between contoso.com and nwtraders.com. The forest trust is configured to use selective authentication. Contoso.com contains a server named Server1. Server1 contains a shared folder named Marketing. Nwtraders.com contains a global group named G_Marketing. The Change share permission and the Modify NTFS permissions for the Marketing folder are assignes to the G_Marketing group. Members of G_Marketing report that they cannot accesss the Marketing folder. You need to ensure that the G_Marketing members can accesss the folder from the network. What should you do（）

A. From Windows Explorer， modify the NTFS permissions of the folder
B. From Windows Explorer， modify the share permissions of the folder
C. From Active Directory Users and Computers， modify the computer object for Server1
D. From Active Directory Users and Computers， modify the group object for G_Marketing