A Web service needs to encrypt certain SOAP headers when responding. Which statement about this encryption?
A. The Web service interaction layer is the appropriate place for such encryption.
B. The Web service processing layer is the appropriate place for such encryption.
C. Either the Web service interaction or processing layer is appropriate for such encryption.
D. Neither the Web service interaction nor processing layer is appropriate for such encryption.
E. Protocol-based encryption like HTTPS should be used to meet the requirements without code changes.