You work as the enterprise exchange administrator at Company.com.The Company.com network consists of a single Active Directory domain named Company.com.Company.com has an Exchange Server 2010 organization.Company.com has merged with another company named Courseware Publishers.The users at Courseware Publishers complained that they cannot automatically locate the Client Access servers at Company.com.The users need to locate the Client Access servers at Company.com.What should you do？（）

• A、The best option is to use an A record for FederatedSharing.Company.com.
• B、The best option is to use an SRV record for _autodiscover._TCP._msdcs.Company.com.
• C、The best option is to use an A record for autodiscover.Company.com.
• D、The best option is to use an SRV record for _FederatedSharing._UDP._msdcs.Company.com.