Which statement is true about the WS-Security standard? 

Answer options:

A. It is a Java EE standard for protecting SOAP services.
B. It relies on HTTP security mechanism to protect SOAP messages in transmit.
C. It provides message-level security.
D. It defines protocol-specific ways of protecting SOAP messages.

C

Reference: https://docs.oracle.com/cd/E19226-01/820-7627/gjiou/index.html