The Testking router is running RIP as the routing protocol, and the IP routing table is displayed below: Gateway of last resort is 10.1.2.2 to network 0.0.0.0 10.0.0.0/24 is subnetted, 2 subnets R 10.1.3.0 [120/1] via 10.1.2.2, 00:00:00, Serial0/0 C 10.1.2.0 is directly connected, Serial0/0 C 10.1.5.0 is directly connected, Serial0/1 C 10.1.6.0 is directly connected, FastEthernet0/0 R* 0.0.0.0/0 [120/1] via 10.1.5.5, 00:00:00, Serial0/1 Based on the output above, if an administrator pings host 10.1.8.5 from host 10.1.6.100, how will the router TestkingA process the ICMP packets?（）
- A The packets will be discarded.
- B The packets will be routed out the S0/0 interface.
- C The packets will be routed out the S0/1 interface.
- D The packets will be routed out the Fa0/0 interface.
- E The packets will be routed through the 10.1.2.2 gateway.