You are a network administrator for your company. The network consists of two Active Directory domains. You are responsible for administering one domain， which contains users who work in the sales department. User objects for the users in the sales department are stored in an organizational unit （OU） named Sales in your domain.   Users in the sales department use a public key infrastructure （PKI） enabled application that requires users to present client authentication certificates before they are granted access. You install Certificate Services on two member servers  running Windows Server 2003. You configure one server as an enterprise subordinate certification authority （CA） and the other server as a stand-alone root CA.   You need to issue certificates that support client authentication to sales users only. You need to achieve this goal by using the minimum amount of administrative effort.   What should you do？  （）

• A、 Create a duplicate of the User certificate template and configure it to support autoenrollment. Configure the enterprise subordinate CA to issue certificates based on the template. Configure the Default Domain Policy Group Policy object （GPO） to autoenroll users for certificates.
• B、 Create a duplicate of the Computer certificate template and configure it to support autoenrollment. Configure the enterprise subordinate CA to issue certificates based on the template. Configure the Default Domain Policy Group Policy object （GPO） to autoenroll computers for certificates.
• C、 Create a duplicate of the User certificate template and configure it to support autoenrollment. Configure the enterprise subordinate CA to issue certificates based on the template. Create a new Group Policy object （GPO） and link it to the Sales OU. Configure the GPO to autoenroll sales users for certificates.
• D、 Create a duplicate of the Computer certificate template and configure it to support autoenrollment. Configure the enterprise subordinate CA to issue certificates based on the template. Create a new Group Policy object （GPO） and link it to the Sales OU. Configure the GPO to autoenroll sales client computers for certificates.