Which statements describe the capabilities of the DBMS_NETWORK_ACL_ADMIN package?（）

• A、It can be used to allow the access privilege settings for users but not roles.
• B、It can be used to allow the access privilege settings for users as well as roles.
• C、It can be used to control the time interval for which the access privilege is available to a user.
• D、It can be used to selectively restrict the access for each user in a database to different host computers.
• E、It can be used to selectively restrict a user's access to different applications in a specific host computer.