A customer has a web application with HTTP Sessions that need to be replicated to a backup site that is more than 100 miles away from the primary site, connected over the Internet.    Which type of session replication in WebLogic is recommended?（）

• A、MAN Replication
• B、WAN Replication  
• C、Synchronous Replication
• D、Asynchronous Replication
• E、Database Replication