You are doing an environment assessment for a client that has invested in Oracle RAC for fault tolerance， load balancing， and scalability. The client also invested in clustered Oracle WebLogic Server. You notice that this client’s environment is not integrated for active-active high availability deployment of applications.  What will be your recommendation to achieve that ？ （）

• A、 MetaLink to RAC
• B、 ClusterLink to RAC
• C、 TopLink to RAC
• D、 GridLink to RAC