Which of the following is MOST critical for the successful implementation and maintenance of a security policy? 
A、Assimilation of the framework and intent of a written security policy by all appropriate parties 
B、Management support and approval for the implementation and maintenance of a security policy 
C、Enforcement of security rules by providing punitive actions for any violation of security rules 
D、Stringent implementation, monitoring and enforcing of rules by the security officer through access control software