Your application demands frequent connection and disconnection from the database. You have three listener processes that are listening for the database PROD. While setting up the connect string using Oracle Enterprise Manager 10g Database Control， which two options would you select to balance the connection load across all the listener processes？（）

A. Use only the first address.
B. Try one address，selected at random.
C. Try each address，in order，until one succeeds.
D. Try each address，randomly，until one succeeds.