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.