Which two statements are true ab

Which two statements are true about a job chain? （）(Choose two.)

• A、A job chain can contain a nested chain of jobs.
• B、The jobs in a job chain cannot have more than one dependency.
• C、A job of the CHAIN type can be run using event-based or time-based schedules.
• D、The jobs in a job chain can be executed only by using the events generated by the Scheduler