Refer to the message in the exhibit.

Replace the ??? in the message with the appropriate namespace.

A.
http://www.w3.org/2003/05/soap-envelope

B.
http://schemas.xmlsoap.org/soap/envelope/

C.
http://schemas.xmlsoap.org/soap12/envelope/

D.
http://schemas.xmlsoap.org/soap11/envelope/