What is the key advantage of Session Hijacking?

What is the key advantage of Session Hijacking?

A.
It can be easily done and does not require sophisticated skills.

B.
You can take advantage of an authenticated connection.

C.
You can successfully predict the sequence number generation.

D.
You cannot be traced in case the hijack is detected.

Explanation:
As an attacker you don’t have to steal an account and password in order to take advantage of an authenticated connection.