An IBM Tivoli Workload Scheduler administrator finds that most of  the job streams are carried forward during each production day.  Which  action should the administrator take to ensure that only a  few job streams need to be carried forward？ （）

• A、 change start of day
• B、 disable the Carry Forward option
• C、 cancel all job streams before start of day
• D、 Administrator does not have to take any action