Hot Standby Router Protocol (HSRP) is able to provide network redundancy for IP networks. Concerning HSRP load sharing, which two descriptions make sense?（）

• A、It is achieved by using more than one HSRP group.
• B、It is done in regards to either round robin or weight basis.
• C、It is used to offload the active router in a certain HSRP group.
• D、The return traffic is influenced by HSRP load sharing configuration.
• E、Single group HSRP is used to achieve more efficient link utilization.