What are the two reasons for the appearance of 0.0.0.0 as the next hop for a network when usingthe "show ip bgp" command？（）

• A、The network was originated via redistribution of an interior gateway protocol into BGP
• B、The network was defined by a static route
• C、The network was learned via IBGP
• D、The network was learned via EBGP
• E、The network was originated via a network or aggregate command