Which security feature does this scenario illustrate?

After a successful web application login, an Oracle Access Manager (OAM) token is made
available to Oracle WebLogic Server (WLS) where the token is asserted for authentication
purposes. The resulting Java Authentication and Authorization Service (JAAS) subject is then
made available to the Oracle Web Service Manager (OWSM) agent where it is used to create a
Security Assertion Markup Language (SAML).
Which security feature does this scenario illustrate?

A.
identity propagation

B.
single sign-on

C.
user authorization

D.
non-repudiation