The rows inside three Oracle tables supporting a customer order entry system are frequently accessed together by means of a table join. Because data is always being added to the tables, you leave a lot of extra space inside each block to accommodate growth. Which of the following types of tables would be useful for storing the data in this context?（）

• A、Temporary tables 
• B、Index-organized tables 
• C、Cluster tables 
• D、Standard Oracle tables