Which three statements are true when the listener handles connection requests to an Oracle 12cdatabase instance with multithreaded architecture enabled In UNIX?（）
- A Thread creation must be routed through a dispatcher process
- B The local listener may spawn a now process and have that new process create a thread
- C Each Oracle process runs an SCMN thread.
- D Each multithreaded Oracle process has an SCMN thread.
- E The local listener may pass the request to an existing process which in turn will create a thread.