An Enterprise Sets Up an OSPF Network with the Topology

An enterprise sets up an OSPF network with the topology and areas shown in the diagram. OSPF adjacencies are formed between all devices on all links and all loopback interface addresses are advertised by OSPF. A fault occurs and the links from R1 to S2 and R2 to S1 fail. Which of the following statements are true? (Choose all that apply.)

A) R5 can learn the route to the loopback interface of R2.
B) R3 can learn the route to the loopback interface of R2.
C) R1 can learn the route to the loopback interface of R2.
D) R3 can not learn the route to the loopback interface of R2.