Which of the following statements is correct if a SOAP message contains the following statement?

(a) The SOAP processor will go to http://schemas.xmlsoap.org/soap/envelope/ to find out the meaning of Envelope.

(b) SOAP-ENV is a name in namespace xmlns.

(c) The tag mentioned above is not the same as the tag of the namespace http://www.w3.org/2001/09/soap-envelope

(d) SOAP 1.2 standard is used when constructing this SOAP message.