A Windows Communication Foundation (WCF) service that handles corporate accounting must be changed to comply with government regulations of auditing and accountability. You need to configure the WCF service to execute under the Windows logged-on identity of the calling application.What should you do?（）
A. Within the service configuration, add a Service Authorization behavior to the service, and set Impersonate Caller For All Operations to true.
B. Within the service configuration, add a Service Authentication Manager behavior to the service, and set Service Authentication Manager Type to Impersonate.
C. Within the service configuration, add a serviceSecurityAudit behavior to the service, and set service Authorization AuditLevel to Success Or Failure.
D. Within the service configuration, add a ServiceCredentials behavior to the service, and set type to Impersonate.
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