pany uses GLBP to provide for router redundancy in the network.  Which describes the default  load balancing scheme used by the Gateway Load Balancing Protocol （GLBP）？（）

• A、 Per host basis using a strict priority scheme
• B、 Per session using a round-robin scheme
• C、 Per session using a strict priority scheme
• D、 Per GLBP group using a strict priority scheme
• E、 Per host basis using a round-robin scheme
• F、 Per GLBP group using a round-robin scheme