Which statement correctly describes the functionality of an EJB (or remote) object?

Which statement correctly describes the functionality of an EJB (or remote) object?

A.
The EJB object synchronizes method calls to an enterprise beans home object.

B.
The EJB object wraps method calls to an enterprise bean in the EJB containers security
context.

C.
The EJB object acts as a factory that creates, locates and removes enterprise beans.

D.
The EJB object acts as an intermediary object for an enterprise bean, implementing the beans
remote interface.