Which statement is true about SAAJ?

A.
It is an XML standard for exchanging user, resource and service provisioning information.

B.
It is an XML standard for exchanging authentication and authorization data between security domains.

C.
It aims to create a simple extension of SOAP to allow for asynchronous or long-running Web services.

D.
It is used for SOAP messaging, providing a standard way to send XML documents over the Internet.