You are using Resource Manager to manage system resources. While creating a new database user， you observe that the user is a member of DEFAULT_CONSUMER_GROUP by default. What would be the implications of this？（）

• A、The Resource Manager plan does not affect the user.
• B、There must be a plan directive in any of the plans of the group to control the resources.
• C、The members of the group DEFAULT_CONSUMER_GROUP always have resource restrictions.
• D、The members of DEFAULT_CONSUMER_GROUP are restrained from accessing the system tables.
• E、The members of this group can change their group without the database administrator’s intervention.