What is Bob supposed to do next?

Bob is going to perform an active session hijack against Brownies Inc. He has found a target that
allows session oriented connections (Telnet) and performs the sequence prediction on the target
operating system. He manages to find an active session due to the high level of traffic on the
network. What is Bob supposed to do next?

A.
Take over the session

B.
Reverse sequence prediction

C.
Guess the sequence numbers

D.
Take one of the parties offline