You need to ensure that database schema changes in branch offices result in the proper notifications. What should you do?（）

A. Install Notification Services on all branch office servers， and configure Notification Services to use a local notifications database.
B. Specify that all SQL Server log files must be archived and sent by e-mail to the main office.
C. Implement DML triggers that use Database Mail to send an e-mail message about the DML activity.
D. Implement DDL triggers that use Database Mail to send an e-mail message about the DDL activity.