You set up scheduled tasks to run and notify you of any failures. 3 days later you see that none of the tasks ran and you received no notifications. What should you do？（）

• A、Set the schedule service to run under the administrator account.
• B、Set the scheduled tasks to run under the administrator account.
• C、Enable the messenger service
• D、Set the schedule service to run under the local system account and set it to start automatically.