Refer to the following output on R1:
R1#ping 10.5.5.55 source 10.1.1.1
Sending 5, 100-byte ICMP Echos to 10.5.5.55, timeout is 2 seconds:
Packet sent with a source address of 10.1.1.1
. . . . .
Success rate is 0 percent (0/5)
Why can R1 not reach 10.5.5.5 with source 10.1.1.1?

A. R5 is missing a network statement.
B. The loopback interface on R5 is shut down.
C. R1 is missing a network statement.
D. Incorrect IP address configured on the Loopback 1 interface on R5.