What command is issued to alter Replicat to start processing trail number 10 at relative byte address 100345?

What command is issued to alter Replicat to start processing trail number 10 at relative byte
address 100345?

A.
Alter <group>, extseqno 10, extrba 100345

B.
Alter Replicat *, exttrail <trail prefix>, extseqno 10, extrba 100345

C.
Alter Replicat <group>, sequence lO, rba 100345

D.
Alter <group>, sequence 10, rba 100345