R1 is currently advertising prefixes 1.0.0.0/8, 2.0.0.0/8, and 3.0.0.0/8 over its eBGP connection to neighbor 2.2.2.2 (R2). An engineer configures a prefix list (fred) on R1 that permits only 2.0.0.0/8 and then enables the filter with the neighbor R2 prefix- list fred out command. Upon exiting configuration mode, the engineer uses some show commands on R1, but no other commands. Which of the following is true in this case?（）
- A The show ip bgp neighbor 2 .2.2.2 received -routes command lists the three original prefixes.
- B The show ip bgp neighbor 2.2.2.2 advertised - routes command lists the three original prefixes.
- C The show ip bgp neighbor 2.2.2.2 routes command lists the three original prefixes.
- D T he show ip bgp neighbor 2.2.2.2 routes command lists only 2.0.0.0/8.
- E The show ip bgp neighbor 2.2.2.2 advertised - routes command lists only 2.0.0.0/8.