Which of the following will occur if there are more slots than there are tasks?

[answerhappygod]

Which of the following will occur if there are more slots than there are tasks?

A. The Spark job will likely not run as efficiently as possible.
B. The Spark application will fail – there must be at least as many tasks as there are slots.
C. Some executors will shut down and allocate all slots on larger executors first.
D. More tasks will be automatically generated to ensure all slots are being used.
E. The Spark job will use just one single slot to perform all tasks.