问题：

[单选]

You are the network administrator for You manage a Windows
Server 2003 computer named TestKing1.
There are multiple scheduled tasks configure on TestKing1. One task is a scheduled
backup job. You need to temporarily disable the backup job from running so that
you can troubleshoot a problem. You must not interfere with any other scheduled
tasks.
You need to disable the scheduled backup job. You want to achieve this goal by
using the minimum amount of administrative effort.
What should you do?（）

A . Pause the Task Scheduler service.
B . Delete the scheduled backup job. Re-create the backup after you finish troubleshooting.
C . Modify the properties of the scheduled backup job and clear the Enabled check box.
D . Run the ntbackup /p command on the server.