Before routers forward unicast packets, what information is compared with the unicast routing table entries?

Before routers forward unicast packets, what information is compared with the unicast routing table entries?
A . The source address of the IP header.
B. The destination address of the Ethernet header.
C. The destination address of the IP header.
D. The source address of the Ethernet header.
E. The inbound port the packet is received in.

Answer: B