Which four statements are true about services and connection load balancing?

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Which four statements are true about services and connection load balancing?

A. Services provide the ability to balance client connections across the instances in an Oracle RAC configuration.
B. There are two types of load balancing that you can implement; load balancing decisions can be made by the client and by the listener.
C. In a RAC database environment, you should select only one load balancing method.
D. With server-side load balancing, the listener directs a connection request to the best instance that is currently providing the service based on the load-balancing options selected by the DBA. E. Client-side load balancing balances the connection requests across the listeners.