During a planning session, the customer indicates the need to provide high availability between a  Node attached to an IBM TotalStorage Enterprise Storage Server and a remote node attached to a IBM TotalStorage FAStT server with automatic fallover in the event of a disaster. <br /> Which of the following HACMP options will provide this functionality?()  
A、 GeoRM
B、 HACMP/XD:PPRC
C、 HACMP/XD:GPFS
D、 HACMP/XD:HAGEO