You are the network administrator for Your network consists of two Active Directory domains in a single forest. All network servers run Windows Server 2003. Currently, you use more than 1,000 security groups. A member server named TK1 contains a folder named Testing. This folder contains resources required by users in the engineering department. A written security policy states that engineering users must have the approval of the management group before they can be assigned the Full Control NTFS permission on Testing. You need to discover whether any engineering users currently have the Full Control NTFS permission on Testing. You must complete this task by using the minimum amount of administrative effort. What should you do?（）

A. Use Active Directory Users and Computers to view the access level available to engineering users.
B. Use the Find Users, Contacts, and Groups utility to view the membership of each group that has access to Testing.
C. In the properties of Testing, view the Effective Permissions tab.
D. Write an ADSI script to search for members of all groups that have access to testing